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-CITE-
    26 USC Subchapter I - Natural Resources                     01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources

-HEAD-
                     SUBCHAPTER I - NATURAL RESOURCES                 

-MISC1-
    Part                                                     
    I.          Deductions.                                           
    [II.        Repealed.]                                            
    III.        Sales and exchanges.                                  
    IV.         Mineral production payments.                          
    V.          Continental shelf areas.                              

-End-


-CITE-
    26 USC PART I - DEDUCTIONS                                  01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
                            PART I - DEDUCTIONS                        

-MISC1-
    Sec.                                                     
    611.        Allowance of deduction for depletion.                 
    612.        Basis for cost depletion.                             
    613.        Percentage depletion.                                 
    613A.       Limitations on percentage depletion in case of oil and
                 gas wells.(!1)                                        
    614.        Definition of property.                               
    [615.       Repealed.]                                            
    616.        Development expenditures.                             
    617.        Deduction and recapture of certain mining exploration
                 expenditures.                                        

                                AMENDMENTS                            
      1990 - Pub. L. 101-508, title XI, Sec. 11801(b)(7), Nov. 5, 1990,
    104 Stat. 1388-522, struck out item for part II "Exclusions from
    gross income".
      1976 - Pub. L. 94-455, title XIX, Sec. 1901(b)(21)(H), Oct. 4,
    1976, 90 Stat. 1798, struck out item 615 "Exploration
    expenditures".
      1969 - Pub. L. 91-172, title V, Secs. 503(b), 505(c), Dec. 30,
    1969, 83 Stat. 631, 634, added items for parts IV and V.
      Pub. L. 91-172, title V, Sec. 504(c)(5), Dec. 30, 1969, 83 Stat.
    633, substituted "Pre-1970 exploration expenditures" for
    "Exploration expenditures" in item 615 and substituted "Deduction
    and recapture of certain mining exploration expenditures" for
    "Additional exploration expenditures in the case of domestic
    mining" in item 617.
      1966 - Pub. L. 89-570, Sec. 1(d), Sept. 12, 1966, 80 Stat. 762,
    added item 617.

-FOOTNOTE-
    (!1) Editorially supplied. Section 613A added by Pub. L. 94-12
         without corresponding amendment of part analysis.


-End-



-CITE-
    26 USC Sec. 611                                             01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    Sec. 611. Allowance of deduction for depletion

-STATUTE-
    (a) General rule
      In the case of mines, oil and gas wells, other natural deposits,
    and timber, there shall be allowed as a deduction in computing
    taxable income a reasonable allowance for depletion and for
    depreciation of improvements, according to the peculiar conditions
    in each case; such reasonable allowance in all cases to be made
    under regulations prescribed by the Secretary. For purposes of this
    part, the term "mines" includes deposits of waste or residue, the
    extraction of ores or minerals from which is treated as mining
    under section 613(c). In any case in which it is ascertained as a
    result of operations or of development work that the recoverable
    units are greater or less than the prior estimate thereof, then
    such prior estimate (but not the basis for depletion) shall be
    revised and the allowance under this section for subsequent taxable
    years shall be based on such revised estimate.
    (b) Special rules
      (1) Leases
        In the case of a lease, the deduction under this section shall
      be equitably apportioned between the lessor and lessee.
      (2) Life tenant and remainderman
        In the case of property held by one person for life with
      remainder to another person, the deduction under this section
      shall be computed as if the life tenant were the absolute owner
      of the property and shall be allowed to the life tenant.
      (3) Property held in trust
        In the case of property held in trust, the deduction under this
      section shall be apportioned between the income beneficiaries and
      the trustee in accordance with the pertinent provisions of the
      instrument creating the trust, or, in the absence of such
      provisions, on the basis of the trust income allocable to each.
      (4) Property held by estate
        In the case of an estate, the deduction under this section
      shall be apportioned between the estate and the heirs, legatees,
      and devisees on the basis of the income of the estate allocable
      to each.
    (c) Cross reference
          For other rules applicable to depreciation of improvements,
        see section 167.

-SOURCE-
    (Aug. 16, 1954, ch. 736, 68A Stat. 207; Pub. L. 85-866, title I,
    Sec. 35, Sept. 2, 1958, 72 Stat. 1632; Pub. L. 94-455, title XIX,
    Sec. 1906(b)(13)(A), Oct. 4, 1976, 90 Stat. 1834.)


-MISC1-
                                AMENDMENTS                            
      1976 - Subsec. (a). Pub. L. 94-455 struck out "or his delegate"
    after "Secretary".
      1958 - Subsec. (d)(4). Pub. L. 85-866 substituted "devisees" for
    "devises".

                     EFFECTIVE DATE OF 1958 AMENDMENT                 
      Amendment by Pub. L. 85-866 applicable to taxable years beginning
    after Dec. 31, 1953, and ending after Aug. 16, 1954, see section
    1(c)(1) of Pub. L. 85-866, set out as a note under section 165 of
    this title.

-SECREF-
                   SECTION REFERRED TO IN OTHER SECTIONS               
      This section is referred to in sections 56, 57, 62, 167, 174,
    263, 291, 613, 613A, 616, 617, 642, 691, 703, 776, 834, 901, 1082,
    1254, 4940, 7704 of this title.

-End-



-CITE-
    26 USC Sec. 612                                             01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    Sec. 612. Basis for cost depletion

-STATUTE-
      Except as otherwise provided in this subchapter, the basis on
    which depletion is to be allowed in respect of any property shall
    be the adjusted basis provided in section 1011 for the purpose of
    determining the gain upon the sale or other disposition of such
    property.

-SOURCE-
    (Aug. 16, 1954, ch. 736, 68A Stat. 208.)

-End-



-CITE-
    26 USC Sec. 613                                             01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    Sec. 613. Percentage depletion

-STATUTE-
    (a) General rule
      In the case of the mines, wells, and other natural deposits
    listed in subsection (b), the allowance for depletion under section
    611 shall be the percentage, specified in subsection (b), of the
    gross income from the property excluding from such gross income an
    amount equal to any rents or royalties paid or incurred by the
    taxpayer in respect of the property. Such allowance shall not
    exceed 50 percent (100 percent in the case of oil and gas
    properties) of the taxpayer's taxable income from the property
    (computed without allowance for depletion). For purposes of the
    preceding sentence, the allowable deductions taken into account
    with respect to expenses of mining in computing the taxable income
    from the property shall be decreased by an amount equal to so much
    of any gain which (1) is treated under section 1245 (relating to
    gain from disposition of certain depreciable property) as ordinary
    income, and (2) is properly allocable to the property. In no case
    shall the allowance for depletion under section 611 be less than it
    would be if computed without reference to this section.
    (b) Percentage depletion rates
      The mines, wells, and other natural deposits, and the
    percentages, referred to in subsection (a) are as follows:
      (1) 22 percent
        (A) sulphur and uranium; and
        (B) if from deposits in the United States - anorthosite, clay,
      laterite, and nephelite syenite (to the extent that alumina and
      aluminum compounds are extracted therefrom), asbestos, bauxite,
      celestite, chromite, corundum, fluorspar, graphite, ilmenite,
      kyanite, mica, olivine, quartz crystals (radio grade), rutile,
      block steatite talc, and zircon, and ores of the following
      metals: antimony, beryllium, bismuth, cadmium, cobalt, columbium,
      lead, lithium, manganese, mercury, molybdenum, nickel, platinum
      and platinum group metals, tantalum, thorium, tin, titanium,
      tungsten, vanadium, and zinc.
      (2) 15 percent
        If from deposits in the United States - 
          (A) gold, silver, copper, and iron ore, and
          (B) oil shale (except shale described in paragraph (5)).
      (3) 14 percent
        (A) metal mines (if paragraph (1)(B) or (2)(A) does not apply),
      rock asphalt, and vermiculite; and
        (B) if paragraph (1)(B), (5), or (6)(B) does not apply, ball
      clay, bentonite, china clay, sagger clay, and clay used or sold
      for use for purposes dependent on its refractory properties.
      (4) 10 percent
        Asbestos (if paragraph (1)(B) does not apply), brucite, coal,
      lignite, perlite, sodium chloride, and wollastonite.
      (5) 7 1/2  percent
        Clay and shale used or sold for use in the manufacture of sewer
      pipe or brick, and clay, shale, and slate used or sold for use as
      sintered or burned lightweight aggregates.
      (6) 5 percent
        (A) gravel, peat, pumice, sand, scoria, shale (except shale
      described in paragraph (2)(B) or (5)), and stone (except stone
      described in paragraph (7));
        (B) clay used, or sold for use, in the manufacture of drainage
      and roofing tile, flower pots, and kindred products; and
        (C) if from brine wells - bromine, calcium chloride, and
      magnesium chloride.
      (7) 14 percent
        All other minerals, including, but not limited to, aplite,
      barite, borax, calcium carbonates, diatomaceous earth, dolomite,
      feldspar, fullers earth, garnet, gilsonite, granite, limestone,
      magnesite, magnesium carbonates, marble, mollusk shells
      (including clam shells and oyster shells), phosphate rock,
      potash, quartzite, slate, soapstone, stone (used or sold for use
      by the mine owner or operator as dimension stone or ornamental
      stone), thenardite, tripoli, trona, and (if paragraph (1)(B) does
      not apply) bauxite, flake graphite, fluorspar, lepidolite, mica,
      spodumene, and talc (including pyrophyllite), except that, unless
      sold on bid in direct competition with a bona fide bid to sell a
      mineral listed in paragraph (3), the percentage shall be 5
      percent for any such other mineral (other than slate to which
      paragraph (5) applies) when used, or sold for use, by the mine
      owner or operator as rip rap, ballast, road material, rubble,
      concrete aggregates, or for similar purposes. For purposes of
      this paragraph, the term "all other minerals" does not include - 
          (A) soil, sod, dirt, turf, water, or mosses;
          (B) minerals from sea water, the air, or similar
        inexhaustible sources; or
          (C) oil and gas wells.

    For the purposes of this subsection, minerals (other than sodium
    chloride) extracted from brines pumped from a saline perennial lake
    within the United States shall not be considered minerals from an
    inexhaustible source.
    (c) Definition of gross income from property
      For purposes of this section - 
      (1) Gross income from the property
        The term "gross income from the property" means, in the case of
      a property other than an oil or gas well and other than a
      geothermal deposit, the gross income from mining.
      (2) Mining
        The term "mining" includes not merely the extraction of the
      ores or minerals from the ground but also the treatment processes
      considered as mining described in paragraph (4) (and the
      treatment processes necessary or incidental thereto), and so much
      of the transportation of ores or minerals (whether or not by
      common carrier) from the point of extraction from the ground to
      the plants or mills in which such treatment processes are applied
      thereto as is not in excess of 50 miles unless the Secretary
      finds that the physical and other requirements are such that the
      ore or mineral must be transported a greater distance to such
      plants or mills.
      (3) Extraction of the ores or minerals from the ground
        The term "extraction of the ores or minerals from the ground"
      includes the extraction by mine owners or operators of ores or
      minerals from the waste or residue of prior mining. The preceding
      sentence shall not apply to any such extraction of the mineral or
      ore by a purchaser of such waste or residue or of the rights to
      extract ores or minerals therefrom.
      (4) Treatment processes considered as mining
        The following treatment processes where applied by the mine
      owner or operator shall be considered as mining to the extent
      they are applied to the ore or mineral in respect of which he is
      entitled to a deduction for depletion under section 611:
          (A) In the case of coal - cleaning, breaking, sizing, dust
        allaying, treating to prevent freezing, and loading for
        shipment;
          (B) in the case of sulfur recovered by the Frasch process -
        cleaning, pumping to vats, cooling, breaking, and loading for
        shipment;
          (C) in the case of iron ore, bauxite, ball and sagger clay,
        rock asphalt, and ores or minerals which are customarily sold
        in the form of a crude mineral product - sorting,
        concentrating, sintering, and substantially equivalent
        processes to bring to shipping grade and form, and loading for
        shipment;
          (D) in the case of lead, zinc, copper, gold, silver, uranium,
        or fluorspar ores, potash, and ores or minerals which are not
        customarily sold in the form of the crude mineral product -
        crushing, grinding, and beneficiation by concentration
        (gravity, flotation, amalgamation, electrostatic, or magnetic),
        cyanidation, leaching, crystallization, precipitation (but not
        including electrolytic deposition, roasting, thermal or
        electric smelting, or refining), or by substantially equivalent
        processes or combination of processes used in the separation or
        extraction of the product or products from the ore or the
        mineral or minerals from other material from the mine or other
        natural deposit;
          (E) the pulverization of talc, the burning of magnesite, the
        sintering and nodulizing of phosphate rock, the decarbonation
        of trona, and the furnacing of quicksilver ores;
          (F) in the case of calcium carbonates and other minerals when
        used in making cement - all processes (other than preheating of
        the kiln feed) applied prior to the introduction of the kiln
        feed into the kiln, but not including any subsequent process;
          (G) in the case of clay to which paragraph (5) or (6)(B) of
        subsection (b) applies - crushing, grinding, and separating the
        mineral from waste, but not including any subsequent process;
          (H) in the case of oil shale - extraction from the ground,
        crushing, loading into the retort, and retorting, but not
        hydrogenation, refining, or any other process subsequent to
        retorting; and
          (I) any other treatment process provided for by regulations
        prescribed by the Secretary which, with respect to the
        particular ore or mineral, is not inconsistent with the
        preceding provisions of this paragraph.
      (5) Treatment processes not considered as mining
        Unless such processes are otherwise provided for in paragraph
      (4) (or are necessary or incidental to processes so provided
      for), the following treatment processes shall not be considered
      as "mining": electrolytic deposition, roasting, calcining,
      thermal or electric smelting, refining, polishing, fine
      pulverization, blending with other materials, treatment effecting
      a chemical change, thermal action, and molding or shaping.
    (d) Denial of percentage depletion in case of oil and gas wells
      Except as provided in section 613A, in the case of any oil or gas
    well, the allowance for depletion shall be computed without
    reference to this section.
    (e) Percentage depletion for geothermal deposits
      (1) In general
        In the case of geothermal deposits located in the United States
      or in a possession of the United States, for purposes of
      subsection (a) - 
          (A) such deposits shall be treated as listed in subsection
        (b), and
          (B) 15 percent shall be deemed to be the percentage specified
        in subsection (b).
      (2) Geothermal deposit defined
        For purposes of paragraph (1), the term "geothermal deposit"
      means a geothermal reservoir consisting of natural heat which is
      stored in rocks or in an aqueous liquid or vapor (whether or not
      under pressure). Such a deposit shall in no case be treated as a
      gas well for purposes of this section or section 613A, and this
      section shall not apply to a geothermal deposit which is located
      outside the United States or its possessions.
      (3) Percentage depletion not to include lease bonuses, etc.
        In the case of any geothermal deposit, the term "gross income
      from the property" shall, for purposes of this section, not
      include any amount described in section 613A(d)(5).

-SOURCE-
    (Aug. 16, 1954, ch. 736, 68A Stat. 208; Pub. L. 85-866, title I,
    Sec. 36(a), Sept. 2, 1958, 72 Stat. 1633; Pub. L. 86-564, title
    III, Sec. 302(a), (b), June 30, 1960, 74 Stat. 291, 292; Pub. L.
    87-834, Sec. 13(e), Oct. 16, 1962, 76 Stat. 1034; Pub. L. 88-571,
    Sec. 6(a), Sept. 2, 1964, 78 Stat. 860; Pub. L. 89-809, title II,
    Secs. 207(a), 208(a), 209(a), (b), Nov. 13, 1966, 80 Stat. 1579,
    1580; Pub. L. 91-172, title V, Secs. 501(a), 502(a), Dec. 30, 1969,
    83 Stat. 629, 630; Pub. L. 93-499, Sec. 2(a), Oct. 29, 1974, 88
    Stat. 1550; Pub. L. 94-12, title V, Sec. 501(b)(1), (2), Mar. 29,
    1975, 89 Stat. 53; Pub. L. 94-455, title XIX, Secs. 1901(b)(3)(K),
    1906(b)(13)(A), Oct. 4, 1976, 90 Stat. 1793, 1834; Pub. L. 95-618,
    title IV, Sec. 403(a)(1), (2)(A), Nov. 9, 1978, 92 Stat. 3203; Pub.
    L. 99-514, title IV, Sec. 412(a)(2), Oct. 22, 1986, 100 Stat. 2227;
    Pub. L. 101-508, title XI, Secs. 11522(a), 11815(b)(1), (2), Nov.
    5, 1990, 104 Stat. 1388-486, 1388-557, 1388-558; Pub. L. 104-188,
    title I, Sec. 1704(t)(34), Aug. 20, 1996, 110 Stat. 1889.)


-MISC1-
                                AMENDMENTS                            
      1996 - Subsec. (e)(1)(B). Pub. L. 104-188 substituted "subsection
    (b)." for "subsection (b),".
      1990 - Subsec. (a). Pub. L. 101-508, Sec. 11522(a), inserted
    "(100 percent in the case of oil and gas properties)" after "50
    percent".
      Subsec. (e)(1)(B). Pub. L. 101-508, Sec. 11815(b)(2), amended
    subpar. (B) generally. Prior to amendment, subpar. (B) read as
    follows: "the applicable percentage (determined under the table
    contained in paragraph (2)) shall be deemed to be the percentage
    specified in subsection (b)."
      Subsec. (e)(2) to (4). Pub. L. 101-508, Sec. 11815(b)(1),
    redesignated pars. (3) and (4) as (2) and (3), respectively, and
    struck out former par. (2) which related to the applicable
    percentage depletion for geothermal deposits.
      1986 - Subsec. (e)(4). Pub. L. 99-514 added par. (4).
      1978 - Subsec. (c)(1). Pub. L. 95-618, Sec. 403(a)(2)(A),
    inserted "and other than a geothermal deposit" after "oil or gas
    well".
      Subsec. (e). Pub. L. 95-618, Sec. 403(a)(1), added subsec. (e).
      1976 - Subsec. (a). Pub. L. 94-455, Sec. 1901(b)(3)(K),
    substituted "ordinary income" for "gain from the sale or exchange
    of property which is neither a capital asset nor property described
    in section 1231".
      Subsec. (c)(2), (4)(I). Pub. L. 94-455, Sec. 1906(b)(13)(A),
    struck out "or his delegate" after "Secretary".
      1975 - Subsec. (b)(1). Pub. L. 94-12, Sec. 501(b)(2)(A), struck
    out subpar. (A) "oil and gas wells" and redesignated former
    subpars. (B) and (C) as (A) and (B), respectively.
      Subsec. (b)(3), (4). Pub. L. 94-12, Sec. 501(b)(2)(B),
    substituted "(1)(B)" for "(1)(C)" wherever appearing.
      Subsec. (b)(7). Pub. L. 94-12, Sec. 501(b)(2) (B), (C),
    substituted "(1)(B)" for "(1)(C)" in provisions preceding subpar.
    (A) and added subpar. (C).
      Subsec. (d). Pub. L. 94-12, Sec. 501(b)(1), substituted
    provisions denying the percentage depletion allowance in the case
    of oil and gas wells except as provided in section 613A for
    provisions governing the application of percentage depletion rates
    to certain taxable years ending in 1954.
      1974 - Subsec. (c)(4)(E). Pub. L. 93-499 inserted reference to
    decarbonation of trona.
      1969 - Subsec. (b). Pub. L. 91-172, Sec. 501(a), reduced the
    percentage depletion rate on oil and gas wells from 27 1/2  percent
    to 22 percent, reduced to 22 percent other minerals formerly
    receiving percentage depletion at a rate of 23 percent, added
    molybdenum in the category of minerals subject to the 22 percent
    depletion rate, reduced to 14 percent the rate on minerals formerly
    receiving depletion at a 15 percent rate except in the case of
    domestic gold, silver, oil shale, copper, and iron ore, and
    inserted provision that for percentage depletion purposes, minerals
    other than sodium chloride, extracted from brine pumped from a
    saline perennial lake within the United States are not to be
    considered minerals from an inexhaustible source.
      Subsec. (c)(4)(H), (I). Pub. L. 91-172, Sec. 502(a), added
    subpar. (H) and redesignated former subpar. (H) as (I).
      1966 - Subsec. (b)(2)(B). Pub. L. 89-809, Sec. 207(a)(1),
    inserted "clay, laterite, and nephelite syenite" after
    "anorthosite".
      Subsec. (b)(3)(B). Pub. L. 89-809, Secs. 207(a)(2), 209(a)(2),
    substituted "if neither paragraph (2)(B), (5), or (6)(B) applies"
    for "if paragraph (5)(B) does not apply".
      Subsec. (b)(5). Pub. L. 89-809, Sec. 209(a)(1), added par. (5).
    Former par. (5) redesignated (6).
      Subsec. (b)(6). Pub. L. 89-809, Secs. 208(a)(1), 209(a)(1), (3),
    (4), redesignated par. (5) as (6), struck out "mollusk shells
    (including clam shells and oyster shells),", substituted "shale
    (except shale described in paragraph (5)), and stone (except stone
    described in paragraph (7))" for "shale, and stone, except stone
    described in paragraph (6)" in subpar. (A), and struck out
    "building or paving brick," and "sewer pipe," in subpar. (B).
    Former par. (6) redesignated (7).
      Subsec. (b)(7). Pub. L. 89-809, Secs. 208(a)(2), 209(a)(1), (5),
    redesignated par. (6) as (7) and inserted "mollusk shells
    (including clam shells and oyster shells)," after "marble," and
    "(other than slate to which paragraph (5) applies)" after "any
    other such mineral".
      Subsec. (c)(4)(G). Pub. L. 89-809, Sec. 209(b), substituted
    "paragraph (5) or (6)(B)" for "paragraph (5)(B)".
      1964 - Subsec. (b)(2)(B), (6). Pub. L. 88-571 inserted
    "beryllium" after "antimony" in par. (2)(B), and deleted "beryl"
    after "bauxite" in pars. (2)(B) and (6).
      1962 - Subsec. (a). Pub. L. 87-834 inserted provisions requiring
    the allowable deductions taken into account with respect to
    expenses of mining in computing the taxable income from the
    property to be decreased by an amount equal to so much of any gain
    which is treated under section 1245 as gain from the sale or
    exchange of property which is neither a capital asset nor property
    described in section 1231, and is properly allocable to the
    property.
      1960 - Subsec. (b)(3). Pub. L. 86-564, Sec. 302(a)(1), limited
    the 15 percent allowance for ball clay, bentonite, china clay, and
    sagger clay to cases where paragraph (5)(B) does not apply, and
    authorized a 15 percent allowance, if paragraph (5)(B) does not
    apply, for clay used or sold for use for purposes dependent on its
    refractory properties.
      Subsec. (b)(5). Pub. L. 86-564, Sec. 302(a)(2), substituted
    provisions authorizing a 5 percent allowance for clay used, or sold
    for use, in the manufacture of building or paving brick, drainage
    and roofing tile, sewer pipe, flower pots, and kindred products for
    provisions which authorized a 5 percent allowance for brick and
    tile clay.
      Subsec. (b)(6). Pub. L. 86-564, Sec. 302(a)(3), struck out
    provisions which authorized a 15 percent allowance for refractory
    and fire clay. See subsec. (b)(3) of this section.
      Subsec. (c)(2). Pub. L. 86-564, Sec. 302(b)(1), substituted "the
    treatment processes considered as mining described in paragraph (4)
    (and the treatment processes necessary or incidental thereto)" for
    "the ordinary treatment processes normally applied by mine owners
    or operators in order to obtain the commercially marketable mineral
    product or products", and "such treatment processes" for "the
    ordinary treatment processes".
      Subsec. (c)(4). Pub. L. 86-564, Sec. 302(b)(2), substituted "The
    following treatment processes where applied by the mine owner or
    operator shall be considered as mining to the extent they are
    applied to the ore or mineral in respect of which he is entitled to
    a deduction for depletion under section 611" for "The term
    'ordinary treatment processes' includes the following" in opening
    provisions, included cleaning in subpar. (B), substituted "ores or
    minerals which" for "minerals which" and included substantially
    equivalent processes in subpar. (C), included uranium and minerals
    which are not customarily sold in the form of the crude mineral
    product and substituted "from the ore or the mineral or minerals
    from other material from the mine or other natural deposit" for
    "from the ore, including the furnacing of quicksilver ores" in
    subpar. (D), included the furnacing of quicksilver ores in subpar.
    (E), and added subpars. (F) to (H).
      Subsec. (c)(5). Pub. L. 86-564, Sec. 302(b)(2), added par. (5).
      1958 - Subsec. (d). Pub. L. 85-866 added subsec. (d).

                     EFFECTIVE DATE OF 1990 AMENDMENT                 
      Section 11522(c) of Pub. L. 101-508 provided that: "The
    amendments made by this section [amending this section and sections
    613A and 614 of this title] shall apply to taxable years beginning
    after December 31, 1990."

                     EFFECTIVE DATE OF 1986 AMENDMENT                 
      Section 412(a)(3) of Pub. L. 99-514 provided that: "The amendment
    made by this subsection [amending this section and section 613A of
    this title] shall apply to amounts received or accrued after August
    16, 1986, in taxable years ending after such date."

                     EFFECTIVE DATE OF 1978 AMENDMENT                 
      Section 403(c) of Pub. L. 95-618 provided that: "The amendments
    made by this section [amending this section and sections 613A and
    614 of this title] shall take effect on October 1, 1978, and shall
    apply to taxable years ending on or after such date."

                     EFFECTIVE DATE OF 1976 AMENDMENT                 
      Amendment by section 1901(b)(3)(K) of Pub. L. 94-455 effective
    for taxable years beginning after Dec. 31, 1976, see section
    1901(d) of Pub. L. 94-455, set out as a note under section 2 of
    this title.

                     EFFECTIVE DATE OF 1975 AMENDMENT                 
      Amendment by Pub. L. 94-12 effective Jan. 1, 1975, applicable to
    taxable years ending after Dec. 31, 1974, see section 501(c) of
    Pub. L. 94-12, set out as an Effective Note under section 613A of
    this title.

                     EFFECTIVE DATE OF 1974 AMENDMENT                 
      Section 2(b) of Pub. L. 93-499 provided that: "The amendment made
    by this section [amending this section] shall apply to taxable
    years beginning after December 31, 1970."

                     EFFECTIVE DATE OF 1969 AMENDMENT                 
      Section 501(b) of Pub. L. 91-172 provided that: "The amendment
    made by subsection (a) [amending this section] shall apply to
    taxable years beginning after October 9, 1969."
      Section 502(b) of Pub. L. 91-172 provided that: "The amendments
    made by subsection (a) [amending this section] shall apply to
    taxable years beginning after the date of the enactment of this Act
    [Dec. 30, 1969]."

                     EFFECTIVE DATE OF 1966 AMENDMENT                 
      Section 207(b) of Pub. L. 89-809 provided that: "The amendments
    made by subsection (a) [amending this section] shall apply to
    taxable years beginning after the date of the enactment of this Act
    [Nov. 13, 1966]."
      Section 208(b) of Pub. L. 89-809 provided that: "The amendments
    made by subsection (a) [amending this section] shall apply to
    taxable years beginning after the date of the enactment of this Act
    [Nov. 13, 1966]."
      Section 209(c) of Pub. L. 89-809 provided that: "The amendments
    made by subsections (a) and (b) [amending this section] shall apply
    to taxable years beginning after the date of the enactment of this
    Act [Nov. 13, 1966]."

                     EFFECTIVE DATE OF 1964 AMENDMENT                 
      Section 6(b) of Pub. L. 88-571 provided that: "The amendments
    made by subsection (a) [amending this section] shall apply to
    taxable years beginning after December 31, 1963."

                     EFFECTIVE DATE OF 1962 AMENDMENT                 
      Amendment by Pub. L. 87-834 applicable to taxable years beginning
    after Dec. 31, 1962, see section 13(g) of Pub. L. 87-834, set out
    as an Effective Date note under section 1245 of this title.

                     EFFECTIVE DATE OF 1960 AMENDMENT                 
      Section 302(c) of Pub. L. 86-564, as amended by Pub. L. 86-781,
    Sec. 4, Sept. 14, 1960, 74 Stat. 1018; Pub. L. 99-514, Sec. 2, Oct.
    22, 1986, 100 Stat. 2095, provided that:
      "(c) Effective Date. - 
        "(1) In general. - Except as provided in paragraph (2), the
      amendments made by subsections (a) and (b) [amending this
      section] shall be applicable only with respect to taxable years
      beginning after December 31, 1960.
        "(2) Calcium carbonates, etc. - 
          "(A) Election for past years. - In the case of calcium
        carbonates or other minerals when used in making cement, if an
        election is made by the taxpayer under subparagraph (C) - 
            "(i) the amendments made by subsection (b) [amending this
          section] shall apply to taxable years with respect to which
          such election is effective and
            "(ii) provisions having the same effect as the amendments
          made by subsection (b) [amending this section] shall be
          deemed to be included in the Internal Revenue Code of 1939
          and shall apply to taxable years with respect to which such
          election is effective in lieu of the corresponding provisions
          of such Code.
          "(B) Years to which applicable. - An election made under
        subparagraph (C) to have the provisions of this paragraph apply
        shall be effective for all taxable years beginning before
        January 1, 1961, in respect of which - 
            "(i) the assessment of a deficiency,
            "(ii) the refund or credit of an overpayment, or
            "(iii) the commencement of a suit for recovery of a refund
          under section 7405 of the Internal Revenue Code of 1986
          [formerly I.R.C. 1954] [section 7405 of this title],
      is not prevented on the date of the enactment of this paragraph
      [Sept. 14, 1960] by the operation of any law or rule of law. Such
      election shall also be effective for any taxable year beginning
      before January 1, 1961, in respect of which an assessment of a
      deficiency has been made but not collected on or before the date
      of the enactment of this paragraph.
          "(C) Time and manner of election. - An election to have the
        provisions of this paragraph apply shall be made by the
        taxpayer on or before the 60th day after the date of
        publication in the Federal Register of final regulations issued
        under authority of subparagraph (F), and shall be made in such
        form and manner as the Secretary of the Treasury or his
        delegate shall prescribe by regulations. Such election, if
        made, may not be revoked.
          "(D) Statutes of limitation. - Notwithstanding any other law,
        the period within which an assessment of a deficiency
        attributable to the application of the amendments made by
        subsection (b) [amending this section] may be made with respect
        to any taxable year to which such amendments apply under an
        election made under subparagraph (C), and the period within
        which a claim for refund or credit of an overpayment
        attributable to the application of such amendments may be made
        with respect to any such taxable year, shall not expire prior
        to one year after the last day for making an election under
        subparagraph (C). An election by a taxpayer under subparagraph
        (C) shall be considered as a consent to the application of the
        provisions of this subparagraph.
          "(E) Terms; applicability of other laws. - Except where
        otherwise distinctly expressed or manifestly intended, terms
        used in this paragraph shall have the same meaning as when used
        in the Internal Revenue Code of 1986 [this title] (or
        corresponding provisions of the Internal Revenue Code of 1939)
        and all provisions of law shall apply with respect to this
        paragraph as if this paragraph were a part of such Code (or
        corresponding provisions of the Internal Revenue Code of 1939).
          "(F) Regulations. - The Secretary of the Treasury or his
        delegate shall prescribe such regulations as may be necessary
        to carry out the provisions of this paragraph."

                     EFFECTIVE DATE OF 1958 AMENDMENT                 
      Amendment by Pub. L. 85-866 applicable to taxable years beginning
    after Dec. 31, 1953, and ending after Aug. 16, 1954, see section
    1(c)(1) of Pub. L. 85-866, set out as a note under section 165 of
    this title.

                             SAVINGS PROVISION                         
      For provisions that nothing in amendment by section 11815(b)(1),
    (2) of Pub. L. 101-508 be construed to affect treatment of certain
    transactions occurring, property acquired, or items of income,
    loss, deduction, or credit taken into account prior to Nov. 5,
    1990, for purposes of determining liability for tax for periods
    ending after Nov. 5, 1990, see section 11821(b) of Pub. L. 101-508,
    set out as a note under section 29 of this title.

     ELECTION FOR CLAY AND SHALE USED IN MANUFACTURE OF CLAY PRODUCTS 
      Pub. L. 87-312, Sept. 26, 1961, 75 Stat. 674, provided for the
    election of, and procedure for, a differing rate of depletion for
    clay and shale used in the manufacture of clay products, such
    election to be effective for all taxable years beginning before
    Jan. 1, 1961, in respect of which the assessment of a deficiency, a
    refund or credit of overpayment, or the commencement of a suit for
    recovery is not prevented on Sept. 26, 1961, by operation of any
    law or rule of law, and also effective for any taxable year
    beginning before Jan. 1961, in respect of which an assessment of a
    deficiency has been made but not collected on or before Sept. 26,
    1961.

     ELECTION FOR QUARTZITE AND CLAY USED IN PRODUCTION OF REFRACTORY
                                 PRODUCTS
      Pub. L. 87-321, Sec. 2, Sept. 26, 1961, 75 Stat. 683, provided
    for an election of, and procedures for, a differing rate of
    depletion for quartzite and clay used in production of refractory
    products, such election to be effective on and after Jan. 1, 1951,
    for all taxable years beginning before Jan. 1, 1961, in respect of
    which the assessment of a deficiency, the refund or credit of an
    overpayment, or the commencement of a suit for recovery is not
    prevented on Sept. 26, 1961, by the operation of any law or rule of
    law, and also effective on and after Jan. 1, 1951, for any taxable
    year beginning before Jan. 1, 1961, in respect of which an
    assessment of a deficiency has been made but not collected on or
    before Sept. 26, 1961.

          REFUND OR CREDIT OF OVERPAYMENTS; LIMITATIONS; INTEREST      
      Section 36(b) of Pub. L. 85-866 provided for the filing of a
    claim within 6 months of Sept. 2, 1958, and for the refund or
    credit of any overpayment, without interest, if such refund or
    credit, resulting from the addition of subsec. (d) of this section,
    was prevented on Sept. 2, 1958, or within 6 months thereof, by the
    operation of any law or rule of law other than certain specified
    sections of the Internal Revenue Codes of 1939 and 1954.

-SECREF-
                   SECTION REFERRED TO IN OTHER SECTIONS               
      This section is referred to in sections 48, 57, 263, 291, 381,
    465, 611, 613A, 614, 616, 617, 631, 636, 901, 903, 1082, 1202,
    1446, 4612, 4940, 7704 of this title.

-End-



-CITE-
    26 USC Sec. 613A                                            01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    Sec. 613A. Limitations on percentage depletion in case of oil and
      gas wells

-STATUTE-
    (a) General rule
      Except as otherwise provided in this section, the allowance for
    depletion under section 611 with respect to any oil or gas well
    shall be computed without regard to section 613.
    (b) Exemption for certain domestic gas wells
      (1) In general
        The allowance for depletion under section 611 shall be computed
      in accordance with section 613 with respect to - 
          (A) regulated natural gas, and
          (B) natural gas sold under a fixed contract,

      and 22 percent shall be deemed to be specified in subsection (b)
      of section 613 for purposes of subsection (a) of that section.
      (2) Natural gas from geopressured brine
        The allowance for depletion under section 611 shall be computed
      in accordance with section 613 with respect to any qualified
      natural gas from geopressured brine, and 10 percent shall be
      deemed to be specified in subsection (b) of section 613 for
      purposes of subsection (a) of such section.
      (3) Definitions
        For purposes of this subsection - 
        (A) Natural gas sold under a fixed contract
          The term "natural gas sold under a fixed contract" means
        domestic natural gas sold by the producer under a contract, in
        effect on February 1, 1975, and at all times thereafter before
        such sale, under which the price for such gas cannot be
        adjusted to reflect to any extent the increase in liabilities
        of the seller for tax under this chapter by reason of the
        repeal of percentage depletion for gas. Price increases after
        February 1, 1975, shall be presumed to take increases in tax
        liabilities into account unless the taxpayer demonstrates to
        the contrary by clear and convincing evidence.
        (B) Regulated natural gas
          The term "regulated natural gas" means domestic natural gas
        produced and sold by the producer, before July 1, 1976, subject
        to the jurisdiction of the Federal Power Commission, the price
        for which has not been adjusted to reflect to any extent the
        increase in liability of the seller for tax under this chapter
        by reason of the repeal of percentage depletion for gas. Price
        increases after February 1, 1975, shall be presumed to take
        increases in tax liabilities into account unless the taxpayer
        demonstrates the contrary by clear and convincing evidence.
        (C) Qualified natural gas from geopressured brine
          The term "qualified natural gas from geopressured brine"
        means any natural gas - 
            (i) which is determined in accordance with section 503 of
          the Natural Gas Policy Act of 1978 to be produced from
          geopressured brine, and
            (ii) which is produced from any well the drilling of which
          began after September 30, 1978, and before January 1, 1984.
    (c) Exemption for independent producers and royalty owners
      (1) In general
        Except as provided in subsection (d), the allowance for
      depletion under section 611 shall be computed in accordance with
      section 613 with respect to - 
          (A) so much of the taxpayer's average daily production of
        domestic crude oil as does not exceed the taxpayer's depletable
        oil quantity; and
          (B) so much of the taxpayer's average daily production of
        domestic natural gas as does not exceed the taxpayer's
        depletable natural gas quantity;

      and 15 percent shall be deemed to be specified in subsection (b)
      of section 613 for purposes of subsection (a) of that section.
      (2) Average daily production
        For purposes of paragraph (1) - 
          (A) the taxpayer's average daily production of domestic crude
        oil or natural gas for any taxable year, shall be determined by
        dividing his aggregate production of domestic crude oil or
        natural gas, as the case may be, during the taxable year by the
        number of days in such taxable year, and
          (B) in the case of a taxpayer holding a partial interest in
        the production from any property (including an interest held in
        a partnership) such taxpayer's production shall be considered
        to be that amount of such production determined by multiplying
        the total production of such property by the taxpayer's
        percentage participation in the revenues from such property.
      (3) Depletable oil quantity
        (A) In general
          For purposes of paragraph (1), the taxpayer's depletable oil
        quantity shall be equal to - 
            (i) the tentative quantity determined under subparagraph
          (B), reduced (but not below zero) by
            (ii) except in the case of a taxpayer making an election
          under paragraph (6)(B), the taxpayer's average daily marginal
          production for the taxable year.
        (B) Tentative quantity
          For purposes of subparagraph (A), the tentative quantity is
        1,000 barrels.
      (4) Daily depletable natural gas quantity
        For purposes of paragraph (1), the depletable natural gas
      quantity of any taxpayer for any taxable year shall be equal to
      6,000 cubic feet multiplied by the number of barrels of the
      taxpayer's depletable oil quantity to which the taxpayer elects
      to have this paragraph apply. The taxpayer's depletable oil
      quantity for any taxable year shall be reduced by the number of
      barrels with respect to which an election under this paragraph
      applies. Such election shall be made at such time and in such
      manner as the Secretary shall by regulations prescribe.
      [(5) Repealed. Pub. L. 101-508, title XI, Sec. 11815(a)(1)(C),
        Nov. 5, 1990, 104 Stat. 1388-557]
      (6) Oil and natural gas produced from marginal properties
        (A) In general
          Except as provided in subsection (d) and subparagraph (B),
        the allowance for depletion under section 611 shall be computed
        in accordance with section 613 with respect to - 
            (i) so much of the taxpayer's average daily marginal
          production of domestic crude oil as does not exceed the
          taxpayer's depletable oil quantity (determined without regard
          to paragraph (3)(A)(ii)), and
            (ii) so much of the taxpayer's average daily marginal
          production of domestic natural gas as does not exceed the
          taxpayer's depletable natural gas quantity (determined
          without regard to paragraph (3)(A)(ii)),

        and the applicable percentage shall be deemed to be specified
        in subsection (b) of section 613 for purposes of subsection (a)
        of that section.
        (B) Election to have paragraph apply to pro rata portion of
          marginal production
          If the taxpayer elects to have this subparagraph apply for
        any taxable year, the rules of subparagraph (A) shall apply to
        the average daily marginal production of domestic crude oil or
        domestic natural gas of the taxpayer to which paragraph (1)
        would have applied without regard to this paragraph.
        (C) Applicable percentage
          For purposes of subparagraph (A), the term "applicable
        percentage" means the percentage (not greater than 25 percent)
        equal to the sum of - 
            (i) 15 percent, plus
            (ii) 1 percentage point for each whole dollar by which $20
          exceeds the reference price for crude oil for the calendar
          year preceding the calendar year in which the taxable year
          begins.

        For purposes of this paragraph, the term "reference price"
        means, with respect to any calendar year, the reference price
        determined for such calendar year under section 29(d)(2)(C).
        (D) Marginal production
          The term "marginal production" means domestic crude oil or
        domestic natural gas which is produced during any taxable year
        from a property which - 
            (i) is a stripper well property for the calendar year in
          which the taxable year begins, or
            (ii) is a property substantially all of the production of
          which during such calendar year is heavy oil.
        (E) Stripper well property
          For purposes of this paragraph, the term "stripper well
        property" means, with respect to any calendar year, any
        property with respect to which the amount determined by
        dividing - 
            (i) the average daily production of domestic crude oil and
          domestic natural gas from producing wells on such property
          for such calendar year, by
            (ii) the number of such wells,

        is 15 barrel equivalents or less.
        (F) Heavy oil
          For purposes of this paragraph, the term "heavy oil" means
        domestic crude oil produced from any property if such crude oil
        had a weighted average gravity of 20 degrees API or less
        (corrected to 60 degrees Fahrenheit).
        (G) Average daily marginal production
          For purposes of this subsection - 
            (i) the taxpayer's average daily marginal production of
          domestic crude oil or natural gas for any taxable year shall
          be determined by dividing the taxpayer's aggregate marginal
          production of domestic crude oil or natural gas, as the case
          may be, during the taxable year by the number of days in such
          taxable year, and
            (ii) in the case of a taxpayer holding a partial interest
          in the production from any property (including any interest
          held in any partnership), such taxpayer's production shall be
          considered to be that amount of such production determined by
          multiplying the total production of such property by the
          taxpayer's percentage participation in the revenues from such
          property.
        (H) Temporary suspension of taxable income limit with respect
          to marginal production
          The second sentence of subsection (a) of section 613 shall
        not apply to so much of the allowance for depletion as is
        determined under subparagraph (A) for any taxable year
        beginning after December 31, 1997, and before January 1, 2004.
      (7) Special rules
        (A) Production of crude oil in excess of depletable oil
          quantity
          If the taxpayer's average daily production of domestic crude
        oil exceeds his depletable oil quantity, the allowance under
        paragraph (1)(A) with respect to oil produced during the
        taxable year from each property in the United States shall be
        that amount which bears the same ratio to the amount of
        depletion which would have been allowable under section 613(a)
        for all of the taxpayer's oil produced from such property
        during the taxable year (computed as if section 613 applied to
        all of such production at the rate specified in paragraph (1)
        or (6), as the case may be) as his depletable oil quantity
        bears to the aggregate number of barrels representing the
        average daily production of domestic crude oil of the taxpayer
        for such year.
        (B) Production of natural gas in excess of depletable natural
          gas quantity
          If the taxpayer's average daily production of domestic
        natural gas exceeds his depletable natural gas quantity, the
        allowance under paragraph (1)(B) with respect to natural gas
        produced during the taxable year from each property in the
        United States shall be that amount which bears the same ratio
        to the amount of depletion which would have been allowable
        under section 613(a) for all of the taxpayers (!1) natural gas
        produced from such property during the taxable year (computed
        as if section 613 applied to all of such production at the rate
        specified in paragraph (1) or (6), as the case may be) as the
        amount of his depletable natural gas quantity in cubic feet
        bears to the aggregate number of cubic feet representing the
        average daily production of domestic natural gas of the
        taxpayer for such year.

        (C) Taxable income from the property
          If both oil and gas are produced from the property during the
        taxable year, for purposes of subparagraphs (A) and (B) the
        taxable income from the property, in applying the taxable
        income limitation in section 613(a), shall be allocated between
        the oil production and the gas production in proportion to the
        gross income during the taxable year from each.
        (D) Partnerships
          In the case of a partnership, the depletion allowance shall
        be computed separately by the partners and not by the
        partnership. The partnership shall allocate to each partner his
        proportionate share of the adjusted basis of each partnership
        oil or gas property. The allocation is to be made as of the
        later of the date of acquisition of the oil or gas property by
        the partnership, or January 1, 1975. A partner's proportionate
        share of the adjusted basis of partnership property shall be
        determined in accordance with his interest in partnership
        capital or income and, in the case of property contributed to
        the partnership by a partner, section 704(c) (relating to
        contributed property) shall apply in determining such share.
        Each partner shall separately keep records of his share of the
        adjusted basis in each oil and gas property of the partnership,
        adjust such share of the adjusted basis for any depletion taken
        on such property, and use such adjusted basis each year in the
        computation of his cost depletion or in the computation of his
        gain or loss on the disposition of such property by the
        partnership. For purposes of section 732 (relating to basis of
        distributed property other than money), the partnership's
        adjusted basis in mineral property shall be an amount equal to
        the sum of the partners' adjusted basis in such property as
        determined under this paragraph.
      (8) Business under common control; members of the same family
        (A) Component members of controlled group treated as one
          taxpayer
          For purposes of this subsection, persons who are members of
        the same controlled group of corporations shall be treated as
        one taxpayer.
        (B) Aggregation of business entities under common control
          If 50 percent or more of the beneficial interest in two or
        more corporations, trusts, or estates is owned by the same or
        related persons (taking into account only persons who own at
        least 5 percent of such beneficial interest), the tentative
        quantity determined under paragraph (3)(B) shall be allocated
        among all such entities in proportion to the respective
        production of domestic crude oil during the period in question
        by such entities.
        (C) Allocation among members of the same family
          In the case of individuals who are members of the same
        family, the tentative quantity determined under paragraph
        (3)(B) shall be allocated among such individuals in proportion
        to the respective production of domestic crude oil during the
        period in question by such individuals.
        (D) Definition and special rules
          For purposes of this paragraph - 
            (i) the term "controlled group of corporations" has the
          meaning given to such term by section 1563(a), except that
          section 1563(b)(2) shall not apply and except that "more than
          50 percent" shall be substituted for "at least 80 percent"
          each place it appears in section 1563(a),
            (ii) a person is a related person to another person if such
          persons are members of the same controlled group of
          corporations or if the relationship between such persons
          would result in a disallowance of losses under section 267 or
          707(b), except that for this purpose the family of an
          individual includes only his spouse and minor children.
            (iii) the family of an individual includes only his spouse
          and minor children, and
            (iv) each 6,000 cubic feet of domestic natural gas shall be
          treated as 1 barrel of domestic crude oil.
      (9) Special rule for fiscal year taxpayers
        In applying this subsection to a taxable year which is not a
      calendar year, each portion of such taxable year which occurs
      during a single calendar year shall be treated as if it were a
      short taxable year.
      (10) Certain production not taken into account
        In applying this subsection, there shall not be taken into
      account the production of natural gas with respect to which
      subsection (b) applies.
      (11) Subchapter S corporations
        (A) Computation of depletion allowance at shareholder level
          In the case of an S corporation, the allowance for depletion
        with respect to any oil or gas property shall be computed
        separately by each shareholder.
        (B) Allocation of basis
          The S corporation shall allocate to each shareholder his pro
        rata share of the adjusted basis of the S corporation in each
        oil or gas property held by the S corporation. The allocation
        shall be made as of the later of the date of acquisition of the
        property by the S corporation, or the first day of the first
        taxable year of the S corporation to which the Subchapter S
        Revision Act of 1982 applies. Each shareholder shall separately
        keep records of his share of the adjusted basis in each oil and
        gas property of the S corporation, adjust such share of the
        adjusted basis for any depletion taken on such property, and
        use such adjusted basis each year in the computation of his
        cost depletion or in the computation of his gain or loss on the
        disposition of such property by the S corporation. In the case
        of any distribution of oil or gas property to its shareholders
        by the S corporation, the corporation's adjusted basis in the
        property shall be an amount equal to the sum of the
        shareholders' adjusted bases in such property, as determined
        under this subparagraph.
    (d) Limitations on application of subsection (c)
      (1) Limitation based on taxable income
        The deduction for the taxable year attributable to the
      application of subsection (c) shall not exceed 65 percent of the
      taxpayer's taxable income for the year computed without regard to
      - 
          (A) any depletion on production from an oil or gas property
        which is subject to the provisions of subsection (c),
          (B) any net operating loss carryback to the taxable year
        under section 172,
          (C) any capital loss carryback to the taxable year under
        section 1212, and
          (D) in the case of a trust, any distributions to its
        beneficiary, except in the case of any trust where any
        beneficiary of such trust is a member of the family (as defined
        in section 267(c)(4)) of a settlor who created inter vivos and
        testamentary trusts for members of the family and such settlor
        died within the last six days of the fifth month in 1970, and
        the law in the jurisdiction in which such trust was created
        requires all or a portion of the gross or net proceeds of any
        royalty or other interest in oil, gas, or other mineral
        representing any percentage depletion allowance to be allocated
        to the principal of the trust.

      If an amount is disallowed as a deduction for the taxable year by
      reason of application of the preceding sentence, the disallowed
      amount shall be treated as an amount allowable as a deduction
      under subsection (c) for the following taxable year, subject to
      the application of the preceding sentence to such taxable year.
      For purposes of basis adjustments and determining whether cost
      depletion exceeds percentage depletion with respect to the
      production from a property, any amount disallowed as a deduction
      on the application of this paragraph shall be allocated to the
      respective properties from which the oil or gas was produced in
      proportion to the percentage depletion otherwise allowable to
      such properties under subsection (c).
      (2) Retailers excluded
        Subsection (c) shall not apply in the case of any taxpayer who
      directly, or through a related person, sells oil or natural gas
      (excluding bulk sales of such items to commercial or industrial
      users), or any product derived from oil or natural gas (excluding
      bulk sales of aviation fuels to the Department of Defense) - 
          (A) through any retail outlet operated by the taxpayer or a
        related person, or
          (B) to any person - 
            (i) obligated under an agreement or contract with the
          taxpayer or a related person to use a trademark, trade name,
          or service mark or name owned by such taxpayer or a related
          person, in marketing or distributing oil or natural gas or
          any product derived from oil or natural gas, or
            (ii) given authority, pursuant to an agreement or contract
          with the taxpayer or a related person, to occupy any retail
          outlet owned, leased, or in any way controlled by the
          taxpayer or a related person.

      Notwithstanding the preceding sentence this paragraph shall not
      apply in any case where the combined gross receipts from the sale
      of such oil, natural gas, or any product derived therefrom, for
      the taxable year of all retail outlets taken into account for
      purposes of this paragraph do not exceed $5,000,000. For purposes
      of this paragraph, sales of oil, natural gas, or any product
      derived from oil or natural gas shall not include sales made of
      such items outside the United States, if no domestic production
      of the taxpayer or a related person is exported during the
      taxable year or the immediately preceding taxable year.
      (3) Related person
        For purposes of this subsection, a person is a related person
      with respect to the taxpayer if a significant ownership interest
      in either the taxpayer or such person is held by the other, or if
      a third person has a significant ownership interest in both the
      taxpayer and such person. For purposes of the preceding sentence,
      the term "significant ownership interest" means - 
          (A) with respect to any corporation, 5 percent or more in
        value of the outstanding stock of such corporation,
          (B) with respect to a partnership, 5 percent or more interest
        in the profits or capital of such partnership, and
          (C) with respect to an estate or trust, 5 percent or more of
        the beneficial interests in such estate or trust.

      For purposes of determining a significant ownership interest, an
      interest owned by or for a corporation, partnership, trust, or
      estate shall be considered as owned directly both by itself and
      proportionately by its shareholders, partners, or beneficiaries,
      as the case may be.
      (4) Certain refiners excluded
        If the taxpayer or a related person engages in the refining of
      crude oil, subsection (c) shall not apply to such taxpayer if on
      any day during the taxable year the refinery runs of the taxpayer
      and such person exceed 50,000 barrels.
      (5) Percentage depletion not allowed for lease bonuses, etc.
        In the case of any oil or gas property to which subsection (c)
      applies, for purposes of section 613, the term "gross income from
      the property" shall not include any lease bonus, advance royalty,
      or other amount payable without regard to production from
      property.
    (e) Definitions
      For purposes of this section - 
      (1) Crude oil
        The term "crude oil" includes a natural gas liquid recovered
      from a gas well in lease separators or field facilities.
      (2) Natural gas
        The term "natural gas" means any product (other than crude oil)
      of an oil or gas well if a deduction for depletion is allowable
      under section 611 with respect to such product.
      (3) Domestic
        The term "domestic" refers to production from an oil or gas
      well located in the United States or in a possession of the
      United States.
      (4) Barrel
        The term "barrel" means 42 United States gallons.

-SOURCE-
    (Added Pub. L. 94-12, title V, Sec. 501(a), Mar. 29, 1975, 89 Stat.
    47; amended Pub. L. 94-455, title XIX, Secs. 1901(a)(86),
    1906(b)(13)(A), title XXI, Sec. 2115(a)-(c)(1), (d), (e), Oct. 4,
    1976, 90 Stat. 1779, 1834, 1907-1909; Pub. L. 95-30, title I, Sec.
    102(b)(7), May 23, 1977, 91 Stat. 138; Pub. L. 95-618, title IV,
    Sec. 403(a)(2)(B), (b), Nov. 9, 1978, 92 Stat. 3204; Pub. L.
    96-603, Sec. 3(a), Dec. 28, 1980, 94 Stat. 3511; Pub. L. 97-354,
    Sec. 3(a), Oct. 19, 1982, 96 Stat. 1687; Pub. L. 97-448, title II,
    Sec. 202(d), Jan. 12, 1983, 96 Stat. 2396; Pub. L. 98-369, div. A,
    title I, Secs. 25(b), 71(b), July 18, 1984, 98 Stat. 506, 589; Pub.
    L. 99-514, title I, Sec. 104(b)(9), title IV, Sec. 412(a)(1), Oct.
    22, 1986, 100 Stat. 2105, 2227; Pub. L. 101-508, title XI, Secs.
    11521(a), (b), 11522(b)(1), 11523(a), (b), 11815(a), Nov. 5, 1990,
    104 Stat. 1388-485 to 1388-487, 1388-557; Pub. L. 104-188, title I,
    Sec. 1702(e)(2), Aug. 20, 1996, 110 Stat. 1870; Pub. L. 105-34,
    title IX, Sec. 972(a), Aug. 5, 1997, 111 Stat. 897; Pub. L.
    106-170, title V, Sec. 504(a), Dec. 17, 1999, 113 Stat. 1921; Pub.
    L. 107-147, title VI, Sec. 607(a), Mar. 9, 2002, 116 Stat. 60.)

-REFTEXT-
                            REFERENCES IN TEXT                        
      Section 503 of the Natural Gas Policy Act of 1978, referred to in
    subsec. (b)(3)(C)(i), which was classified to section 3413 of Title
    15, Commerce and Trade, was repealed by Pub. L. 101-60, Sec.
    3(b)(5), July 26, 1989, 103 Stat. 159, effective Jan. 1, 1993.
      The Subchapter S Revision Act of 1982, referred to in subsec.
    (c)(11)(B), is Pub. L. 97-354, Oct. 19, 1982, 96 Stat. 1669, which
    is classified principally to subchapter S (Sec. 1361 et seq.) of
    chapter 1 of this title. For complete classification of this Act to
    the Code, see Short Title of 1982 Amendments note set out under
    section 1 of this title and Tables.


-MISC1-
                                AMENDMENTS                            
      2002 - Subsec. (c)(6)(H). Pub. L. 107-147 substituted "2004" for
    "2002".
      1999 - Subsec. (c)(6)(H). Pub. L. 106-170 substituted "January 1,
    2002" for "January 1, 2000".
      1997 - Subsec. (c)(6)(H). Pub. L. 105-34 added subpar. (H).
      1996 - Subsec. (c)(3)(A)(i). Pub. L. 104-188 struck out "the
    table contained in" before "subparagraph (B)".
      1990 - Subsec. (c)(1). Pub. L. 101-508, Sec. 11815(a)(1)(A),
    substituted "15 percent" for "the applicable percentage (determined
    in accordance with the table contained in paragraph (5))" in
    concluding provisions.
      Subsec. (c)(3)(A). Pub. L. 101-508, Sec. 11523(b)(2), struck out
    at end "Clause (ii) shall not apply after December 31, 1983."
      Subsec. (c)(3)(A)(ii). Pub. L. 101-508, Sec. 11523(b)(1), added
    cl. (ii) and struck out former cl. (ii) which read as follows: "the
    taxpayer's average daily secondary or tertiary production for the
    taxable year."
      Subsec. (c)(3)(B). Pub. L. 101-508, Sec. 11815(a)(1)(B), amended
    subpar. (B) generally, substituting present provisions for
    provisions which set out a phase-out table for determining
    tentative quantity in barrels.
      Subsec. (c)(5). Pub. L. 101-508, Sec. 11815(a)(1)(C), struck out
    par. (5) which provided table of applicable percentages for
    purposes of par. (1).
      Subsec. (c)(6). Pub. L. 101-508, Sec. 11523(a), amended par. (6)
    generally, providing for an increase in percentage depletion
    allowance for marginal production, and substituting provisions
    relating to oil and gas produced from marginal properties for
    former provisions which related to oil and gas resulting from
    secondary or tertiary processes.
      Subsec. (c)(7)(A), (B). Pub. L. 101-508, Sec. 11815(a)(2)(A),
    substituted "specified in paragraph (1)" for "specified in
    paragraph (5)".
      Subsec. (c)(7)(C). Pub. L. 101-508, Sec. 11522(b)(1), substituted
    "taxable income" for "50-percent" before "limitation".
      Subsec. (c)(7)(E). Pub. L. 101-508, Sec. 11815(a)(1)(C), struck
    out subpar. (E) which provided special rules relating to production
    from secondary or tertiary recovery processes.
      Subsec. (c)(8)(B), (C). Pub. L. 101-508, Sec. 11815(a)(2)(B),
    which directed amendment of subpars. (B) and (C) by substituting
    "determined under paragraph (3)(B)" for "determined under the table
    contained in paragraph (3)(B)", was executed by making the
    substitution for "determined under the table in paragraph (3)(B)"
    as the probable intent of Congress.
      Subsec. (c)(9). Pub. L. 101-508, Sec. 11815(a)(2)(B), which
    directed amendment of par. (9) by substituting "determined under
    paragraph (3)(B)" for "determined under the table contained in
    paragraph (3)(B)", could not be executed because that phrase did
    not appear after execution of amendment by Pub. L. 101-508, Sec.
    11521(a). See below.
      Pub. L. 101-508, Sec. 11521(a), redesignated par. (11) as (9) and
    struck out former par. (9) which related to transfer of oil or gas
    property.
      Subsec. (c)(10). Pub. L. 101-508, Sec. 11521(a), redesignated
    par. (12) as (10) and struck out former par. (10) which related to
    transfers by individuals to corporations.
      Subsec. (c)(11). Pub. L. 101-508, Sec. 11521(a), redesignated
    par. (13) as (11). Former par. (11) redesignated (9).
      Subsec. (c)(11)(C), (D). Pub. L. 101-508, Sec. 11521(b), struck
    out subpars. (C) and (D) which related to coordination with the
    transfer rules of former pars. (9) and (10).
      Subsec. (c)(12), (13). Pub. L. 101-508, Sec. 11521(a),
    redesignated pars. (12) and (13) as (10) and (11), respectively.
      1986 - Subsec. (d)(1). Pub. L. 99-514, Sec. 104(b)(9), struck out
    "(reduced in the case of an individual by the zero bracket amount)"
    after "taxable income" in introductory provisions.
      Subsec. (d)(5). Pub. L. 99-514, Sec. 412(a)(1), added par. (5).
      1984 - Subsec. (c)(2). Pub. L. 98-369, Sec. 25(b)(1), struck out
    last sentence providing that in applying this paragraph, there
    shall not be taken into account any production of crude oil or
    natural gas resulting from secondary or tertiary processes (as
    defined in regulations prescribed by the Secretary).
      Subsec. (c)(3)(A). Pub. L. 98-369, Sec. 25(b)(2), inserted at end
    "Clause (ii) shall not apply after December 31, 1983."
      Subsec. (c)(7)(D). Pub. L. 98-369, Sec. 71(b), substituted
    "property contributed to the partnership by a partner, section
    704(c) (relating to contributed property) shall apply in
    determining such share" for "an agreement described in section
    704(c)(2) (relating to effect of partnership agreement on
    contributed property), such share shall be determined by taking
    such agreement into account" in fourth sentence.
      Subsec. (c)(7)(E). Pub. L. 98-369, Sec. 25(b)(3), inserted at end
    "This subparagraph shall not apply after December 31, 1983."
      Subsec. (c)(9)(A). Pub. L. 98-369, Sec. 25(b)(4), substituted
    "this subsection" for "paragraph (1)".
      1983 - Subsec. (c)(10)(E). Pub. L. 97-448, Sec. 202(d)(1),
    inserted provision that "oil and gas property" includes, in the
    case of any property, necessary production equipment for such
    property which is in place when the property is transferred.
      Subsec. (d)(2). Pub. L. 97-448, Sec. 202(d)(2), inserted
    "(excluding bulk sales of aviation fuels to the Department of
    Defense)" after "any product derived from oil or natural gas".
      1982 - Subsec. (c)(13). Pub. L. 97-354 added par. (13).
      1980 - Subsec. (c)(10) to (12). Pub. L. 96-603 added par. (10)
    and redesignated former pars. (10) and (11) as (11) and (12),
    respectively.
      1978 - Subsec. (b)(1)(C). Pub. L. 95-618, Sec. 403(a)(2)(B),
    struck out subpar. (C) which related to a computation in accordance
    with section 613 with respect to any geothermal deposit in the
    United States or in a possession of the United States which is
    determined to be a gas well.
      Subsec. (b)(2), (3). Pub. L. 95-618, Sec. 403(b)(1), (2), added
    par. (2), redesignated former par. (2) as (3) and, as so
    redesignated, added subpar. (C).
      1977 - Subsec. (d)(1). Pub. L. 95-30 inserted "(reduced in the
    case of an individual by the zero bracket amount)" after "the
    taxpayer's taxable income" in introductory provisions.
      1976 - Subsec. (b)(1)(C). Pub. L. 94-455, Sec. 1901(a)(86)(A),
    struck out "within the meaning of section 613(b)(1)(A)" after
    "determined to be a gas well".
      Subsec. (c)(2), (4). Pub. L. 94-455, Sec. 1906(b)(13)(A), struck
    out "or his delegate" after "Secretary".
      Subsec. (c)(6)(A)(i). Pub. L. 94-455, Sec. 1901(a)(86)(B),
    substituted "determined without" for "determined with".
      Subsec. (c)(7)(D). Pub. L. 94-455, Sec. 2115(c)(1), inserted
    provision relating to the method to be employed by the partners in
    computing the depletion allowance.
      Subsec. (c)(7)(E). Pub. L. 94-455, Sec. 1906(b)(13)(A), struck
    out "or his delegate" after "Secretary".
      Subsec. (c)(9)(B). Pub. L. 94-455, Sec. 2115(b)(1), (e), added
    cls. (iii) to (vi) and provision following cl. (vi).
      Subsec. (d)(1). Pub. L. 94-455, Sec. 2115(b)(2), substituted in
    subpar. (A) reference to any depletion on production from an oil or
    gas property which is subject to the provisions of subsection (c)
    for reference to depletion with respect to production of oil and
    gas subject to the provisions of subsection (c), and added subpar.
    (D).
      Subsec. (d)(2). Pub. L. 94-455, Sec. 2115(a), inserted
    "(excluding bulk sales of such items to commercial or industrial
    users)" before ", or any product derived" and inserted provisions
    following subpar. (B) relating to the application of this paragraph
    where combined gross receipts from the sale of oil, natural gas, or
    any product derived therefrom, for the taxable year of all retail
    outlets taken into account do not exceed $5,000,000 and relating to
    the exclusion of sales made outside the United States.
      Subsec. (d)(3). Pub. L. 94-455, Sec. 2115(d), inserted provision
    following subpar. (C) relating to the determination of a
    significant ownership interest of a corporation, partnership,
    trust, or estate.

                     EFFECTIVE DATE OF 2002 AMENDMENT                 
      Pub. L. 107-147, title VI, Sec. 607(b), Mar. 9, 2002, 116 Stat.
    60, provided that: "The amendment made by subsection (a) [amending
    this section] shall apply to taxable years beginning after December
    31, 2001."

                     EFFECTIVE DATE OF 1999 AMENDMENT                 
      Pub. L. 106-170, title V, Sec. 504(b), Dec. 17, 1999, 113 Stat.
    1921, provided that: "The amendment made by this section [amending
    this section] shall apply to taxable years beginning after December
    31, 1999."

                     EFFECTIVE DATE OF 1997 AMENDMENT                 
      Section 972(b) of Pub. L. 105-34 provided that: "The amendment
    made by subsection (a) [amending this section] shall apply to
    taxable years beginning after December 31, 1997."

                     EFFECTIVE DATE OF 1996 AMENDMENT                 
      Amendment by Pub. L. 104-188 effective, except as otherwise
    expressly provided, as if included in the provision of the Revenue
    Reconciliation Act of 1990, Pub. L. 101-508, title XI, to which
    such amendment relates, see section 1702(i) of Pub. L. 104-188, set
    out as a note under section 38 of this title.

                     EFFECTIVE DATE OF 1990 AMENDMENT                 
      Section 11521(c) of Pub. L. 101-508 provided that: "The
    amendments made by this section [amending this section] shall apply
    to transfers after October 11, 1990."
      Amendment by section 11522(b)(1) of Pub. L. 101-508 applicable to
    taxable years beginning after Dec. 31, 1990, see section 11522(c)
    of Pub. L. 101-508, set out as a note under section 613 of this
    title.
      Section 11523(c) of Pub. L. 101-508 provided that: "The
    amendments made by this section [amending this section] shall apply
    to taxable years beginning after December 31, 1990."

                     EFFECTIVE DATE OF 1986 AMENDMENT                 
      Amendment by section 104(b)(9) of Pub. L. 99-514 applicable to
    taxable years beginning after Dec. 31, 1986, see section 151(a) of
    Pub. L. 99-514, set out as a note under section 1 of this title.
      Amendment by section 412(a)(1) of Pub. L. 99-514 applicable to
    amounts received or accrued after Aug. 16, 1986, in taxable years
    ending after such date, see section 412(a)(3) of Pub. L. 99-514,
    set out as a note under section 613 of this title.

                     EFFECTIVE DATE OF 1984 AMENDMENT                 
      Section 25(c)(2) of Pub. L. 98-369 provided that: "The amendments
    made by subsection (b) [amending this section] shall take effect on
    January 1, 1984."
      Amendment by section 71(b) of Pub. L. 98-369 applicable with
    respect to property contributed to the partnership after Mar. 31,
    1984, in taxable years ending after such date, see section 71(c) of
    Pub. L. 98-369, set out as a note under section 704 of this title.

                     EFFECTIVE DATE OF 1983 AMENDMENT                 
      Amendment by section 202(d)(1) of Pub. L. 97-448 applicable to
    transfers in taxable years ending after Dec. 31, 1974, but only for
    purposes of applying this section to periods after Dec. 31, 1979,
    and amendment by section 202(d)(2) of Pub. L. 97-448 applicable to
    bulk sales after Sept. 18, 1982, see section 203(b)(3) of Pub. L.
    97-448, set out as a note under section 6652 of this title.

                     EFFECTIVE DATE OF 1982 AMENDMENT                 
      Amendment by Pub. L. 97-354 applicable to taxable years beginning
    after Dec. 31, 1982, see section 6(a) of Pub. L. 97-354, set out as
    an Effective Date note under section 1361 of this title.

                     EFFECTIVE DATE OF 1980 AMENDMENT                 
      Section 3(b) of Pub. L. 96-603, as amended by Pub. L. 99-514,
    Sec. 2, Oct. 22, 1986, 100 Stat. 2095, provided that: "The
    amendments made by subsection (a) [amending this section] shall
    apply to transfers in taxable years ending after December 31, 1974,
    but only for purposes of applying section 613A of the Internal
    Revenue Code of 1986 [formerly I.R.C. 1954] to periods after
    December 31, 1979."

                     EFFECTIVE DATE OF 1978 AMENDMENT                 
      Amendment by Pub. L. 95-618 effective on Oct. 1, 1978, and
    applicable to taxable years ending on or after such date, see
    section 403(c) of Pub. L. 95-618, set out as a note under section
    613 of this title.

                     EFFECTIVE DATE OF 1977 AMENDMENT                 
      Amendment by Pub. L. 95-30 applicable to taxable years beginning
    after Dec. 31, 1976, see section 106(a) of Pub. L. 95-30, set out
    as a note under section 1 of this title.

                     EFFECTIVE DATE OF 1976 AMENDMENT                 
      Amendment by section 1901(a)(86) of Pub. L. 94-455 effective for
    taxable years beginning after Dec. 31, 1976, see section 1901(d) of
    Pub. L. 94-455, set out as a note under section 2 of this title.
      Section 2115(f) of Pub. L. 94-455 provided that: "The amendments
    made by this section [amending this section and sections 703 and
    705 of this title] shall take effect on January 1, 1975, and shall
    apply to taxable years ending after December 31, 1974."

                              EFFECTIVE DATE                          
      Section 501(c) of Pub. L. 94-12 provided that: "The amendments
    made by this section [enacting this section and amending sections
    613 and 703 of this title] shall take effect on January 1, 1975,
    and shall apply to taxable years ending after December 31, 1974."

                             SAVINGS PROVISION                         
      For provisions that nothing in amendment by section 11815(a) of
    Pub. L. 101-508 be construed to affect treatment of certain
    transactions occurring, property acquired, or items of income,
    loss, deduction, or credit taken into account prior to Nov. 5,
    1990, for purposes of determining liability for tax for periods
    ending after Nov. 5, 1990, see section 11821(b) of Pub. L. 101-508,
    set out as a note under section 29 of this title.


-TRANS-
                           TRANSFER OF FUNCTIONS                       
      Federal Power Commission terminated and its functions, personnel,
    property, funds, etc., transferred to Secretary of Energy (except
    for certain functions which were transferred to Federal Energy
    Regulatory Commission) by sections 7151(b), 7171(a), 7172(a), 7291,
    and 7293 of Title 42, The Public Health and Welfare.


-MISC2-
                     COORDINATION WITH OTHER PROVISION                 
      Section 403(d) of Pub. L. 95-618 provided that: "Any allowance
    for depletion allowed by reason of the amendments made by
    subsection (b) [amending this section] shall not be treated as a
    credit, exemption, deduction, or comparable adjustment applicable
    to the computation of any Federal tax which is specifically
    allowable with respect to any high-cost natural gas (or category
    thereof) for purposes of section 107(d) of the Natural Gas Policy
    Act of 1978 [section 3317(d) of Title 15, Commerce and Trade]."

-SECREF-
                   SECTION REFERRED TO IN OTHER SECTIONS               
      This section is referred to in sections 56, 57, 291, 613, 705,
    776, 954, 993, 1202, 1367, 1446, 4994 of this title; title 42
    section 6247b.

-FOOTNOTE-
    (!1) So in original. Probably should be "taxpayer's".


-End-



-CITE-
    26 USC Sec. 614                                             01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    Sec. 614. Definition of property

-STATUTE-
    (a) General rule
      For the purpose of computing the depletion allowance in the case
    of mines, wells, and other natural deposits, the term "property"
    means each separate interest owned by the taxpayer in each mineral
    deposit in each separate tract or parcel of land.
    (b) Special rules as to operating mineral interests in oil and gas
      wells or geothermal deposits
      In the case of oil and gas wells or geothermal deposits - 
      (1) In general
        Except as otherwise provided in this subsection - 
          (A) all of the taxpayer's operating mineral interests in a
        separate tract or parcel of land shall be combined and treated
        as one property, and
          (B) the taxpayer may not combine an operating mineral
        interest in one tract or parcel of land with an operating
        mineral interest in another tract or parcel of land.
      (2) Election to treat operating mineral interests as separate
        properties
        If the taxpayer has more than one operating mineral interest in
      a single tract or parcel of land, he may elect to treat one or
      more of such operating mineral interests as separate properties.
      The taxpayer may not have more than one combination of operating
      mineral interests in a single tract or parcel of land. If the
      taxpayer makes the election provided in this paragraph with
      respect to any interest in a tract or parcel of land, each
      operating mineral interest which is discovered or acquired by the
      taxpayer in such tract or parcel of land after the taxable year
      for which the election is made shall be treated - 
          (A) if there is no combination of interests in such tract or
        parcel, as a separate property unless the taxpayer elects to
        combine it with another interest, or
          (B) if there is a combination of interests in such tract or
        parcel, as part of such combination unless the taxpayer elects
        to treat it as a separate property.
      (3) Certain unitization or pooling arrangements
        (A) In general
          Under regulations prescribed by the Secretary, if one or more
        of the taxpayer's operating mineral interests participate,
        under a voluntary or compulsory unitization or pooling
        agreement, in a single cooperative or unit plan of operation,
        then for the period of such participation - 
            (i) they shall be treated for all purposes of this subtitle
          as one property, and
            (ii) the application of paragraphs (1), (2), and (4) in
          respect of such interests shall be suspended.
        (B) Limitation
          Subparagraph (A) shall apply to a voluntary agreement only if
        all the operating mineral interests covered by such agreement -
        
            (i) are in the same deposit, or are in 2 or more deposits
          the joint development or production of which is logical from
          the standpoint of geology, convenience, economy, or
          conservation, and
            (ii) are in tracts or parcels of land which are contiguous
          or in close proximity.
        (C) Special rule in the case of arrangements entered into a
          taxable years beginning before January 1, 1964
          If - 
            (i) two or more of the taxpayer's operating mineral
          interests participate under a voluntary or compulsory
          unitization or pooling agreement entered into in any taxable
          year beginning before January 1, 1964, in a single
          cooperative or unit plan of operation,
            (ii) the taxpayer, for the last taxable year beginning
          before January 1, 1964, treated such interests as two or more
          separate properties, and
            (iii) it is determined that such treatment was proper under
          the law applicable to such taxable year,

        such taxpayer may continue to treat such interests in a
        consistent manner for the period of such participation.
      (4) Manner, time, and scope of election
        (A) Manner and time
          Any election provided in paragraph (2) shall be made for each
        operating mineral interest, in the manner prescribed by the
        Secretary by regulations, not later than the time prescribed by
        law for filing the return (including extensions thereof) for
        whichever of the following taxable years is the later: The
        first taxable year beginning after December 31, 1963, or the
        first taxable year in which any expenditure for development or
        operation in respect of such operating mineral interest is made
        by the taxpayer after the acquisition of such interest.
        (B) Scope
          Any election under paragraph (2) shall be for all purposes of
        this subtitle and shall be binding on the taxpayer for all
        subsequent taxable years.
      (5) Treatment of certain properties
        If, on the day preceding the first day of the first taxable
      year beginning after December 31, 1963, the taxpayer has any
      operating mineral interests which he treats under subsection (d)
      of this section (as in effect before the amendments made by the
      Revenue Act of 1964), such treatment shall be continued and shall
      be deemed to have been adopted pursuant to paragraphs (1) and (2)
      of this subsection (as amended by such Act).
    (c) Special rules as to operating mineral interests in mines
      (1) Election to aggregate separate interests
        Except in the case of oil and gas wells and geothermal
      deposits, if a taxpayer owns two or more separate operating
      mineral interests which constitute part or all of an operating
      unit, he may elect (for all purposes of this subtitle) - 
          (A) to form an aggregation of, and to treat as one property,
        all such interests owned by him which comprise any one mine or
        any two or more mines; and
          (B) to treat as a separate property each such interest which
        is not included within an aggregation referred to in
        subparagraph (A).

      For purposes of this paragraph, separate operating mineral
      interests which constitute part or all of an operating unit may
      be aggregated whether or not they are included in a single tract
      or parcel of land and whether or not they are included in
      contiguous tracts or parcels. For purposes of this paragraph, a
      taxpayer may elect to form more than one aggregation of operating
      mineral interests within any one operating unit; but no
      aggregation may include any operating mineral interest which is a
      part of a mine without including all of the operating mineral
      interests which are a part of such mine in the first taxable year
      for which the election to aggregate is effective, and any
      operating mineral interest which thereafter becomes a part of
      such mine shall be included in such aggregation.
      (2) Election to treat a single interest as more than one property
        Except in the case of oil and gas wells and geothermal
      deposits, if a single tract or parcel of land contains a mineral
      deposit which is being extracted, or will be extracted by means
      of two or more mines for which expenditures for development or
      operation have been made by the taxpayer, then the taxpayer may
      elect to allocate to such mines, under regulations prescribed by
      the Secretary, all of the tract or parcel of land and of the
      mineral deposit contained therein, and to treat as a separate
      property that portion of the tract or parcel of land and of the
      mineral deposit so allocated to each mine. A separate property
      formed pursuant to an election under this paragraph shall be
      treated as a separate property for all purposes of this subtitle
      (including this paragraph). A separate property so formed may,
      under regulations prescribed by the Secretary, be included as a
      part of an aggregation in accordance with paragraphs (1) and (3).
      The election provided by this paragraph may not be made with
      respect to any property which is a part of an aggregation formed
      by the taxpayer under paragraph (1) except with the consent of
      the Secretary.
      (3) Manner and scope of election
        The elections provided by paragraphs (1) and (2) shall be made,
      in accordance with regulations prescribed by the Secretary, not
      later than the time prescribed for filing the return (including
      extensions thereof) for the first taxable year - 
          (A) in which, in the case of an election under paragraph (1),
        any expenditure for development or operation in respect of the
        separate operating mineral interest is made by the taxpayer
        after the acquisition of such interest, or
          (B) in which, in the case of an election under paragraph (2),
        expenditures for development or operation of more than one mine
        in respect of a property are made by the taxpayer after the
        acquisition of the property.

      An election made under paragraph (1) or (2) for a taxable year
      shall be binding upon the taxpayer for such year and all
      subsequent taxable years, except that the Secretary may consent
      to a different treatment of any interest with respect to which an
      election has been made.
    (d) Operating mineral interests defined
      For purposes of this section, the term "operating mineral
    interest" includes only an interest in respect of which the costs
    of production of the mineral are required to be taken into account
    by the taxpayer for purposes of computing the taxable income
    limitation provided for in section 613, or would be so required if
    the mine, well, or other natural deposit were in the production
    stage.
    (e) Special rule as to nonoperating mineral interests
      (1) Aggregation of separate interests
        If a taxpayer owns two or more separate nonoperating mineral
      interests in a single tract or parcel of land or in two or more
      adjacent tracts or parcels of land, the Secretary shall, on
      showing by the taxpayer that a principal purpose is not the
      avoidance of tax, permit the taxpayer to treat (for all purposes
      of this subtitle) all such mineral interests in each separate
      kind of mineral deposit as one property. If such permission is
      granted for any taxable year, the taxpayer shall treat such
      interests as one property for all subsequent taxable years unless
      the Secretary consents to a different treatment.
      (2) Nonoperating mineral interests defined
        For purposes of this subsection, the term "nonoperating mineral
      interests" includes only interests which are not operating
      mineral interests.

-SOURCE-
    (Aug. 16, 1954, ch. 736, 68A Stat. 210; Pub. L. 85-866, title I,
    Sec. 37(a)-(d), Sept. 2, 1958, 72 Stat. 1633-1637; Pub. L. 88-272,
    title II, Sec. 226(a), (b), Feb. 26, 1964, 78 Stat. 94, 96; Pub. L.
    94-455, title XIX, Secs. 1901(a)(87)(A)(i), (B), (C),
    1906(b)(13)(A), Oct. 4, 1976, 90 Stat. 1779, 1834; Pub. L. 95-618,
    title IV, Sec. 403(a)(2)(C), (D), Nov. 9, 1978, 92 Stat. 3204; Pub.
    L. 101-508, title XI, Sec. 11522(b)(2), Nov. 5, 1990, 104 Stat.
    1388-486.)

-REFTEXT-
                            REFERENCES IN TEXT                        
      The Revenue Act of 1964, referred to in subsec. (b)(5), is Pub.
    L. 88-272, Feb. 26, 1964, 78 Stat. 19. For complete classification
    of this Act to the Code, see Short Title of 1964 Amendments note
    set out under section 1 of this title and Tables.


-MISC1-
                                AMENDMENTS                            
      1990 - Subsec. (d). Pub. L. 101-508 substituted "taxable income"
    for "50 percent".
      1978 - Subsec. (b). Pub. L. 95-618, Sec. 403(a)(2)(C), inserted
    "or geothermal deposits" after "gas wells" in heading and
    introductory provisions.
      Subsec. (c). Pub. L. 95-618, Sec. 403(a)(2)(D), substituted "oil
    and gas wells and geothermal deposits" for "oil and gas wells"
    wherever appearing.
      1976 - Subsecs. (b)(3)(A), (4)(A), (e). Pub. L. 94-455, Sec.
    1906(b)(13)(A), struck out "or his delegate" after "Secretary".
      Subsec. (c)(2). Pub. L. 94-455, Secs. 1901(a)(87)(B),
    1906(b)(13)(A), struck out "or his delegate" after "Secretary"
    wherever appearing and ", but the provisions of paragraph (4) shall
    not apply with respect to such separate property" after "in
    accordance with paragraphs (1) and (3)".
      Subsec. (c)(3). Pub. L. 94-455, Sec. 1901(a)(87)(C), among other
    changes, struck out references to the first taxable year beginning
    after Dec. 31, 1957, and provisions relating to elections for
    taxable years beginning before Jan. 1, 1958, relating to election
    after final regulations, and relating to statute of limitations.
      Subsec. (c)(4). Pub. L. 94-455, Sec. 1901(a)(87)(A)(i), struck
    out par. (4) which related to a special rule as to deductions under
    section 615(a) of this title prior to aggregation.
      1964 - Subsec. (b). Pub. L. 88-272, Sec. 226(a), amended subsec.
    (b) generally, and among other changes, substituted provisions
    stating that except as otherwise provided, all of the taxpayer's
    operating mineral interests in a separate tract or parcel of land
    will be combined and treated as one property, that the taxpayer may
    not combine any operating mineral interest in one tract or parcel
    of land with an operating mineral interest in another tract or
    parcel of land, that if he has more than one operating mineral
    interest in a single tract of land he may elect to treat one or
    more of such interests as separate properties, limited, however, to
    one combination of interests in a single tract of land, and
    providing, in the event the election in par. (2) is made with
    respect to any tract of land, for the treatment of interests
    discovered or acquired by the taxpayer in such a tract after the
    taxable year for which the election is made, for provisions which
    permitted a taxpayer who owned two or more separate operating
    mineral interests which constituted all or a part of an operating
    unit, to elect to form one aggregation and treat as one property
    any two or more of these interests, treating as separate properties
    any interests which he did not include in the one aggregation, to
    aggregate separate interests whether or not in a single tract of
    land, or contiguous tracts of land, and which forbade him to form
    more than one aggregation within a single operating unit, inserted
    provisions in par. (3) relating to unitization or pooling
    arrangements, and in par (5), providing that if the taxpayer has
    operating mineral interests on the day preceding the first day of
    the first taxable year beginning after Dec. 31, 1963, which he
    treats under subsec. (d) of this section as in effect before
    amendment by Pub. L. 88-272, he shall continue such treatment and
    it shall be deemed adopted pursuant to pars. (1) and (2) of this
    subsection, and struck out provisions defining "operating mineral
    interests", and providing for termination of election with respect
    to mines, excepting oil and gas wells. For definition of "operating
    mineral interests", see subsec. (d) of this section.
      Subsec. (c). Pub. L. 88-272, Sec. 226(b)(1), (2), struck out par.
    (5) which defined operating mineral interests, and "1958" before
    "Special rules" in heading.
      Subsec. (d). Pub. L. 88-272, Sec. 226(b)(3), amended subsec. (d)
    generally, substituting the definition of operating mineral
    interests, for provisions relating to the 1939 Code treatment
    respecting operating mineral interest in case of oil and gas wells.
      Subsec. (e)(2). Pub. L. 88-272, Sec. 226(b)(4), struck out
    "within the meaning of subsection (b)(3)" at end.
      1958 - Subsec. (b)(4). Pub. L. 85-866, Sec. 37(a), added par.
    (4).
      Subsecs. (c) to (e). Pub. L. 85-866, Sec. 37(b)-(d), added
    subsecs. (c) and (d), redesignated former subsec. (c) as (e), and
    substituted in first sentence of par. (1) "or in two or more
    adjacent tracts" for "or in two or more contiguous tracts" and
    "shall, on showing by the taxpayer that a principal purpose is not
    the avoidance of tax, permit the taxpayer to treat (for all
    purposes of this subtitle) all such mineral interests in each
    separate kind of mineral deposit as one property" for "may, on
    showing of undue hardship, permit the taxpayer to treat (for all
    purposes of this subtitle) all such mineral interests as one
    property".

                     EFFECTIVE DATE OF 1990 AMENDMENT                 
      Amendment by Pub. L. 101-508 applicable to taxable years
    beginning after Dec. 31, 1990, see section 11522(c) of Pub. L.
    101-508, set out as a note under section 613 of this title.

                     EFFECTIVE DATE OF 1978 AMENDMENT                 
      Amendment by Pub. L. 95-618 effective Oct. 1, 1978, and
    applicable to taxable years ending on or after such date, see
    section 403(c) of Pub. L. 95-618, set out as a note under section
    613 of this title.

                     EFFECTIVE DATE OF 1976 AMENDMENT                 
      Section 1901(a)(87)(A)(ii) of Pub. L. 94-455, as amended by Pub.
    L. 99-514, Sec. 2, Oct. 22, 1986, 100 Stat. 2095, provided that:
    "The amendment made by clause (i) [amending this section] shall
    apply with respect to elections to form aggregations of operating
    mineral interests made under section 614(c)(1) of the Internal
    Revenue Code of 1986 [formerly I.R.C. 1954] for taxable years
    beginning after December 31, 1976."

                     EFFECTIVE DATE OF 1964 AMENDMENT                 
      Section 226(d) of Pub. L. 88-272 provided that: "The amendments
    made by subsections (a) and (b) [amending this section] shall apply
    to taxable years beginning after December 31, 1963."

                     EFFECTIVE DATE OF 1958 AMENDMENT                 
      Section 37(e) of Pub. L. 85-866 provided that: "The amendments
    made by subsections (a) and (c) [amending this section] shall apply
    with respect to taxable years beginning after December 31, 1953,
    and ending after August 16, 1954. The amendments made by subsection
    (b) [amending this section] shall apply with respect to taxable
    years beginning after December 31, 1957, except that such
    amendments shall, at the election of the taxpayer made in
    conformity with such amendments, apply with respect to taxable
    years beginning after December 31, 1953, and ending after August
    16, 1954. The amendment made by subsection (d) [amending this
    section] shall apply with respect to taxable years beginning after
    December 31, 1957, except that with respect to any taxpayer such
    amendment shall, at the election of the taxpayer, apply with
    respect to taxable years beginning after December 31, 1953, and
    ending after August 16, 1954."

                   ALLOCATION OF BASIS IN CERTAIN CASES               
      Section 226(c) of Pub. L. 88-272, as amended by Pub. L. 99-514,
    Sec. 2, Oct. 22, 1986, 100 Stat. 2095, provided that: "For purposes
    of the Internal Revenue Code of 1986 [formerly I.R.C. 1954] - 
        "(1) Fair market value rule. - Except as provided in paragraph
      (2), if a taxpayer has a section 614(b) aggregation, then the
      adjusted basis (as of the first day of the first taxable year
      beginning after December 31, 1963) of each property included in
      such aggregation shall be determined by multiplying the adjusted
      basis of the aggregation by a fraction - 
          "(A) the numerator of which is the fair market value of such
        property, and
          "(B) the denominator of which is the fair market value of
        such aggregation.
      For purposes of this paragraph, the adjusted basis and the fair
      market value of the aggregation, and the fair market value of
      each property included therein, shall be determined as of the day
      preceding the first day of the first taxable year which begins
      after December 31, 1963.
        "(2) Allocation of adjustments, etc. - If the taxpayer makes an
      election under this paragraph with respect to any section 614(b)
      aggregation, then the adjusted basis (as of the first day of the
      first taxable year beginning December 31, 1963) of each property
      included in such aggregation shall be the adjusted basis of such
      property at the time it was first included in the aggregation by
      the taxpayer, adjusted for that portion of those adjustments to
      the basis of the aggregation which are reasonably attributable to
      such property. If, under the preceding sentence, the total of the
      adjusted bases of the interests included in the aggregation
      exceeds the adjusted basis of the aggregation (as of the day
      preceding the first day of the first taxable year which begins
      after December 31, 1963), the adjusted bases of the properties
      which include such interests shall be adjusted, under regulations
      prescribed by the Secretary of the Treasury or his delegate, so
      that the total of the adjusted bases of such interests equals the
      adjusted basis of the aggregation. An election under this
      paragraph shall be made at such time and in such manner as the
      Secretary of the Treasury or his delegate shall by regulations
      prescribe.
        "(3) Definitions. - For purposes of this subsection - 
          "(A) Section 614(b) aggregation. - The term 'section 614(b)
        aggregation' means any aggregation to which section
        614(b)(1)(A) of the Internal Revenue Code of 1986 (as in effect
        before the amendments made by subsection (a) of this section)
        applied for the day preceding the first day of the first
        taxable year beginning after December 31, 1963.
          "(B) Property. - The term 'property' has the same meaning as
        is applicable, under section 614 of the Internal Revenue Code
        of 1986, to the taxpayer for the first taxable year beginning
        after December 31, 1963."

-SECREF-
                   SECTION REFERRED TO IN OTHER SECTIONS               
      This section is referred to in sections 57, 291, 465, 468, 617,
    636, 1016, 1254 of this title.

-End-



-CITE-
    26 USC Sec. 615                                             01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    [Sec. 615. Repealed. Pub. L. 94-455, title XIX, Sec. 1901(a)(88),
      Oct. 4, 1976, 90 Stat. 1779]

-MISC1-
      Section, acts Aug. 16, 1954, ch. 736, 68A Stat. 211; July 6,
    1960, Pub. L. 86-594, Sec. 1, 74 Stat. 333; Sept. 12, 1966, Pub. L.
    89-570, Sec. 2(a), 80 Stat. 763; Dec. 30, 1969, Pub. L. 91-172,
    title V, Sec. 504(a), 83 Stat. 632, related to pre-1970 exploration
    expenditures.

                         EFFECTIVE DATE OF REPEAL                     
      Repeal effective with respect to taxable years beginning after
    Dec. 31, 1976, see section 1901(d) of Pub. L. 94-455, set out as an
    Effective Date of 1976 Amendment note under section 2 of this
    title.

-End-



-CITE-
    26 USC Sec. 616                                             01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    Sec. 616. Development expenditures

-STATUTE-
    (a) In general
      Except as provided in subsections (b) and (d), there shall be
    allowed as a deduction in computing taxable income all expenditures
    paid or incurred during the taxable year for the development of a
    mine or other natural deposit (other than an oil or gas well) if
    paid or incurred after the existence of ores or minerals in
    commercially marketable quantities has been disclosed. This section
    shall not apply to expenditures for the acquisition or improvement
    of property of a character which is subject to the allowance for
    depreciation provided in section 167, but allowances for
    depreciation shall be considered, for purposes of this section, as
    expenditures.
    (b) Election of taxpayer
      At the election of the taxpayer, made in accordance with
    regulations prescribed by the Secretary, expenditures described in
    subsection (a) paid or incurred during the taxable year shall be
    treated as deferred expenses and shall be deductible on a ratable
    basis as the units of produced ores or minerals benefited by such
    expenditures are sold. In the case of such expenditures paid or
    incurred during the development stage of the mine or deposit, the
    election shall apply only with respect to the excess of such
    expenditures during the taxable year over the net receipts during
    the taxable year from the ores or minerals produced from such mine
    or deposit. The election under this subsection, if made, must be
    for the total amount of such expenditures, or the total amount of
    such excess, as the case may be, with respect to the mine or
    deposit, and shall be binding for such taxable year.
    (c) Adjusted basis of mine or deposit
      The amount of expenditures which are treated under subsection (b)
    as deferred expenses shall be taken into account in computing the
    adjusted basis of the mine or deposit, except that such amount, and
    the adjustments to basis provided in section 1016(a)(9), shall be
    disregarded in determining the adjusted basis of the property for
    the purpose of computing a deduction for depletion under section
    611.
    (d) Special rules for foreign development
      In the case of any expenditures paid or incurred with respect to
    the development of a mine or other natural deposit (other than an
    oil, gas, or geothermal well) located outside of the United States
    - 
        (1) subsections (a) and (b) shall not apply, and
        (2) such expenditures shall - 
          (A) at the election of the taxpayer, be included in adjusted
        basis for purposes of computing the amount of any deduction
        allowable under section 611 (without regard to section 613), or
          (B) if subparagraph (A) does not apply, be allowed as a
        deduction ratably over the 10-taxable year period beginning
        with the taxable year in which such expenditures were paid or
        incurred.
    (e) Cross reference
          For election of 10-year amortization of expenditures
        allowable as a deduction under subsection (a), see section
        59(e).

-SOURCE-
    (Aug. 16, 1954, ch. 736, 68A Stat. 212; Pub. L. 94-455, title XIX,
    Sec. 1906(b)(13)(A), Oct. 4, 1976, 90 Stat. 1834; Pub. L. 97-248,
    title II, Sec. 201(d)(9)(C), formerly Sec. 201(c)(9)(C), Sept. 3,
    1982, 96 Stat. 420, renumbered Sec. 201(d)(9)(C), Pub. L. 97-448,
    title III, Sec. 306(a)(1)(A)(i), Jan. 12, 1983, 96 Stat. 2400; Pub.
    L. 99-514, title IV, Sec. 411(b)(2)(A), (C)(i), Oct. 22, 1986, 100
    Stat. 2226; Pub. L. 100-647, title I, Sec. 1007(g)(7), Nov. 10,
    1988, 102 Stat. 3435.)


-MISC1-
                                AMENDMENTS                            
      1988 - Subsec. (e). Pub. L. 100-647 substituted "section 59(e)"
    for "section 58(i)".
      1986 - Subsec. (a). Pub. L. 99-514, Sec. 411(b)(2)(C)(i),
    inserted reference to subsec. (d).
      Subsecs. (d), (e). Pub. L. 99-514, Sec. 411(b)(2)(A), added
    subsec. (d) and redesignated former subsec. (d) as (e).
      1982 - Subsec. (d). Pub. L. 97-248 added subsec. (d).
      1976 - Subsec. (b). Pub. L. 94-455 struck out "or his delegate"
    after "Secretary".

                     EFFECTIVE DATE OF 1988 AMENDMENT                 
      Amendment by Pub. L. 100-647 effective, except as otherwise
    provided, as if included in the provision of the Tax Reform Act of
    1986, Pub. L. 99-514, to which such amendment relates, see section
    1019(a) of Pub. L. 100-647, set out as a note under section 1 of
    this title.

                     EFFECTIVE DATE OF 1986 AMENDMENT                 
      Amendment by Pub. L. 99-514 applicable to costs paid or incurred
    after Dec. 31, 1986, in taxable years ending after such date, with
    transition rule, see section 411(c) of Pub. L. 99-514 set out as a
    note under section 263 of this title.

                     EFFECTIVE DATE OF 1982 AMENDMENT                 
      Amendment by Pub. L. 97-248 applicable to taxable years beginning
    after Dec. 31, 1982, see section 201(e)(1) of Pub. L. 97-248, set
    out as a note under section 5 of this title.

-SECREF-
                   SECTION REFERRED TO IN OTHER SECTIONS               
      This section is referred to in sections 56, 59, 263, 263A, 291,
    312, 381, 1016, 1254 of this title.

-End-



-CITE-
    26 USC Sec. 617                                             01/19/04

-EXPCITE-
    TITLE 26 - INTERNAL REVENUE CODE
    Subtitle A - Income Taxes
    CHAPTER 1 - NORMAL TAXES AND SURTAXES
    Subchapter I - Natural Resources
    PART I - DEDUCTIONS

-HEAD-
    Sec. 617. Deduction and recapture of certain mining exploration
      expenditures

-STATUTE-
    (a) Allowance of deduction
      (1) General rule
        At the election of the taxpayer, expenditures paid or incurred
      during the taxable year for the purpose of ascertaining the
      existence, location, extent, or quality of any deposit of ore or
      other mineral, and paid or incurred before the beginning of the
      development stage of the mine, shall be allowed as a deduction in
      computing taxable income. This subsection shall apply only with
      respect to the amount of such expenditures which, but for this
      subsection, would not be allowable as a deduction for the taxable
      year. This subsection shall not apply to expenditures for the
      acquisition or improvement of property of a character which is
      subject to the allowance for depreciation provided in section
      167, but allowances for depreciation shall be considered, for
      purposes of this subsection, as expenditures paid or incurred. In
      no case shall this subsection apply with respect to amounts paid
      or incurred for the purpose of ascertaining the existence,
      location, extent, or quality of any deposit of oil or gas or of
      any mineral with respect to which a deduction for percentage
      depletion is not allowable under section 613.
      (2) Elections
        (A) Method
          Any election under this subsection shall be made in such
        manner as the Secretary may by regulations prescribe.
        (B) Time and scope
          The election provided by paragraph (1) for the taxable year
        may be made at any time before the expiration of the period
        prescribed for making a claim for credit or refund of the tax
        imposed by this chapter for the taxable year. Such an election
        for the taxable year shall apply to all expenditures described
        in paragraph (1) paid or incurred by the taxpayer during the
        taxable year or during any subsequent taxable year. Such an
        election may not be revoked unless the Secretary consents to
        such revocation.
        (C) Deficiencies
          The statutory period for the assessment of any deficiency for
        any taxable year, to the extent such deficiency is attributable
        to an election or revocation of an election under this
        subsection, shall not expire before the last day of the 2-year
        period beginning on the day after the date on which such
        election or revocation of election is made; and such deficiency
        may be assessed at