Source
(Added Pub. L. 85–866, title II, § 204(a),Sept. 2, 1958, 72 Stat. 1679; amended Pub. L. 87–834, § 13(c)(2),Oct. 16, 1962, 76 Stat. 1034; Pub. L. 91–172, title IV, § 401(f),Dec. 30, 1969, 83 Stat. 603; Pub. L. 94–455, title II, § 213(a), title XIX, § 1906(b)(13)(A),Oct. 4, 1976, 90 Stat. 1547, 1834; Pub. L. 97–34, title II, § 202(a),Aug. 13, 1981, 95 Stat. 219; Pub. L. 97–354, § 3(f),Oct. 19, 1982, 96 Stat. 1689; Pub. L. 97–448, title I, § 102(aa),Jan. 12, 1983, 96 Stat. 2369; Pub. L. 98–369, div. A, title I, § 13,July 18, 1984, 98 Stat. 505; Pub. L. 99–514, title II, §§ 201(d)(3),
202,Oct. 22, 1986, 100 Stat. 2139, 2142; Pub. L. 100–647, title I, § 1002(a)(19), (b)(1),Nov. 10, 1988, 102 Stat. 3356, 3357; Pub. L. 101–508, title XI, § 11813(b)(11),Nov. 5, 1990, 104 Stat. 1388–554; Pub. L. 103–66, title XIII, § 13116(a),Aug. 10, 1993, 107 Stat. 432; Pub. L. 104–188, title I, §§ 1111(a),
1702(h)(10), (19),Aug. 20, 1996, 110 Stat. 1758, 1874; Pub. L. 108–27, title II, § 202(a)–(e), May 28, 2003, 117 Stat. 757, 758; Pub. L. 108–357, title II, § 201, title VIII, § 910(a),Oct. 22, 2004, 118 Stat. 1429, 1659; Pub. L. 109–222, title I, § 101,May 17, 2006, 120 Stat. 346; Pub. L. 110–28, title VIII, § 8212(a)–(c), May 25, 2007, 121 Stat. 192; Pub. L. 110–185, title I, § 102(a),Feb. 13, 2008, 122 Stat. 618; Pub. L. 110–343, div. C, title VII, § 711(a),Oct. 3, 2008, 122 Stat. 3928; Pub. L. 111–5, div. B, title I, § 1202(a),Feb. 17, 2009, 123 Stat. 335; Pub. L. 111–147, title II, § 201(a),Mar. 18, 2010, 124 Stat. 77; Pub. L. 111–240, title II, § 2021(a)–(d), Sept. 27, 2010, 124 Stat. 2556, 2558; Pub. L. 111–312, title IV, § 402(a)–(e), title VII, § 737(b)(3),Dec. 17, 2010, 124 Stat. 3306, 3307, 3318.)
Inflation Adjusted Items for Certain Years
For inflation adjustment of certain items in this section, see Revenue Procedures listed in a table under section
1 of this title.
Amendment of Section
Pub. L. 111–312, title IV, § 402,Dec. 17, 2010, 124 Stat. 3306, provided that, applicable to taxable years beginning after Dec. 31, 2011, this section is amended as follows:
(1) in subsection (b)—
(A) in paragraph (1), by striking “and” at the end of subparagraph (B) and by striking subparagraph (C) and inserting the following new subparagraphs:
“(C) $125,000 in the case of taxable years beginning in 2012, and
“(D) $25,000 in the case of taxable years beginning after 2012.”;
(B) in paragraph (2), by striking “and” at the end of subparagraph (B) and by striking subparagraph (C) and inserting the following new subparagraphs:
“(C) $500,000 in the case of taxable years beginning in 2012, and
“(D) $200,000 in the case of taxable years beginning after 2012.”; and
(C) by adding at the end the following new paragraph:
“(6) Inflation adjustment
“(A) In general
“In the case of any taxable year beginning in calendar year 2012, the $125,000 and $500,000 amounts in paragraphs (1)(C) and (2)(C) shall each be increased by an amount equal to—
“(i) such dollar amount, multiplied by
“(ii) the cost-of-living adjustment determined under section
1
(f)(3) for the calendar year in which the taxable year begins, by substituting ‘calendar year 2006’ for ‘calendar year 1992’ in subparagraph (B) thereof.
“(B) Rounding
“(i) Dollar limitation
“If the amount in paragraph (1) as increased under subparagraph (A) is not a multiple of $1,000, such amount shall be rounded to the nearest multiple of $1,000.
“(ii) Phaseout amount
“If the amount in paragraph (2) as increased under subparagraph (A) is not a multiple of $10,000, such amount shall be rounded to the nearest multiple of $10,000.”;
(2) in subsection (c)(2), by striking “2012” and inserting “2013”; and
(3) in subsection (d)(1)(A)(ii), by striking “2012” and inserting “2013”.
Amendments
2010—Subsec. (b)(1).
Pub. L. 111–240, § 2021(a)(1), substituted “shall not exceed—” for “shall not exceed $25,000 ($250,000 in the case of taxable years beginning after 2007 and before 2011).” and added subpars. (A) to (C).
Pub. L. 111–147, § 201(a)(1), substituted “($250,000 in the case of taxable years beginning after 2007 and before 2011)” for “($125,000 in the case of taxable years beginning after 2006 and before 2011)”.
Subsec. (b)(2).
Pub. L. 111–240, § 2021(a)(2), substituted “exceeds—” for “exceeds $200,000 ($800,000 in the case of taxable years beginning after 2007 and before 2011).” and added subpars. (A) to (C).
Pub. L. 111–147, § 201(a)(2), substituted “($800,000 in the case of taxable years beginning after 2007 and before 2011)” for “($500,000 in the case of taxable years beginning after 2006 and before 2011)”.
Subsec. (b)(5), (6).
Pub. L. 111–147, § 201(a)(3), (4), redesignated par. (6) as (5) and struck out former par. (5) which related to inflation adjustments.
Subsec. (b)(7).
Pub. L. 111–147, § 201(a)(3), struck out par. (7) which related to increase in limitations for 2008 and 2009.
Subsec. (c)(2).
Pub. L. 111–240, § 2021(c), substituted “2012” for “2011”.
Subsec. (d)(1)(A)(ii).
Pub. L. 111–240, § 2021(d), substituted “2012” for “2011”.
Subsec. (f).
Pub. L. 111–240, § 2021(b), added subsec. (f).
Subsec. (f)(2)(B).
Pub. L. 111–312, § 737(b)(3)(A), struck out “(without regard to the dates specified in subparagraph (A)(i) thereof)” after “section
168
(e)(7)”.
Subsec. (f)(2)(C).
Pub. L. 111–312, § 737(b)(3)(B), struck out “(without regard to subparagraph (E) thereof)” after “section
168
(e)(8)”.
2009—Subsec. (b)(7).
Pub. L. 111–5substituted “2008, and 2009” for “2008” in heading and “2008, or 2009” for “2008” in introductory provisions.
2008—Subsec. (b)(7).
Pub. L. 110–185added par. (7).
Subsec. (e).
Pub. L. 110–343added subsec. (e).
2007—Subsec. (b)(1).
Pub. L. 110–28, § 8212(a), (b)(1), substituted “$125,000 in the case of taxable years beginning after 2006” for “$100,000 in the case of taxable years beginning after 2002” and “2011” for “2010”.
Subsec. (b)(2).
Pub. L. 110–28, § 8212(a), (b)(2), substituted “$500,000 in the case of taxable years beginning after 2006” for “$400,000 in the case of taxable years beginning after 2002” and “2011” for “2010”.
Subsec. (b)(5)(A).
Pub. L. 110–28, § 8212(a), (c)(1), (2), in introductory provisions, substituted “2007” for “2003”, “2011” for “2010”, and “$125,000 and $500,000” for “$100,000 and $400,000”.
Subsec. (b)(5)(A)(ii).
Pub. L. 110–28, § 8212(c)(3), substituted “2006” for “2002”.
Subsecs. (c)(2), (d)(1)(A)(ii).
Pub. L. 110–28, § 8212(a), substituted “2011” for “2010”.
2006—Subsecs. (b)(1), (2), (5)(A), (c)(2), (d)(1)(A)(ii).
Pub. L. 109–222substituted “2010” for “2008”.
2004—Subsec. (b)(1), (2), (5)(A).
Pub. L. 108–357, § 201, substituted “2008” for “2006”.
Subsec. (b)(6).
Pub. L. 108–357, § 910(a), added par. (6).
Subsecs. (c)(2), (d)(1)(A)(ii).
Pub. L. 108–357, § 201, substituted “2008” for “2006”.
2003—Subsec. (b)(1).
Pub. L. 108–27, § 202(a), reenacted heading without change and amended text generally. Prior to amendment, par. (1) contained a table specifying the maximum amounts for taxable years 1997 to 2003 and thereafter which could be taken into account as the aggregate costs under subsec. (a).
Subsec. (b)(2).
Pub. L. 108–27, § 202(b), inserted “($400,000 in the case of taxable years beginning after 2002 and before 2006)” after “$200,000”.
Subsec. (b)(5).
Pub. L. 108–27, § 202(d), added par. (5).
Subsec. (c)(2).
Pub. L. 108–27, § 202(e), inserted at end “Any such election or specification with respect to any taxable year beginning after 2002 and before 2006 may be revoked by the taxpayer with respect to any property, and such revocation, once made, shall be irrevocable.”
Subsec. (d)(1).
Pub. L. 108–27, § 202(c), reenacted heading without change and amended text generally. Prior to amendment, text read as follows: “For purposes of this section, the term ‘section
179 property’ means any tangible property (to which section
168 applies) which is section
1245 property (as defined in section
1245
(a)(3)) and which is acquired by purchase for use in the active conduct of a trade or business. Such term shall not include any property described in section
50
(b) and shall not include air conditioning or heating units.”
1996—Subsec. (b)(1).
Pub. L. 104–188, § 1111(a), reenacted heading without change and amended text generally. Prior to amendment, text read as follows: “The aggregate cost which may be taken into account under subsection (a) for any taxable year shall not exceed $17,500.”
Subsec. (d)(1).
Pub. L. 104–188, § 1702(h)(10), struck out “in” before “a trade or business”.
Pub. L. 104–188, § 1702(h)(19), inserted at end “Such term shall not include any property described in section
50
(b) and shall not include air conditioning or heating units.”
1993—Subsec. (b)(1).
Pub. L. 103–66substituted “$17,500” for “$10,000”.
1990—Subsec. (d)(1).
Pub. L. 101–508, § 11813(b)(11)(A), substituted “section
1245 property (as defined in section
1245
(a)(3))” for “section
38 property”.
Subsec. (d)(5).
Pub. L. 101–508, § 11813(b)(11)(B), amended par. (5) generally. Prior to amendment, par. (5) read as follows: “This section shall not apply to any section
179 property purchased by any person described in section
46
(e)(3) unless the credit under section
38 is allowable with respect to such person for such property (determined without regard to this section).”
1988—Subsec. (b)(3).
Pub. L. 100–647, § 1002(b)(1), amended par. (3) generally. Prior to amendment, par. (3) read as follows:
“(A) In general.—The aggregate cost of section
179 property taken into account under subsection (a) for any taxable year shall not exceed the aggregate amount of taxable income of the taxpayer for such taxable year which is derived from the active conduct by the taxpayer of any trade or business during such taxable year.
“(B) Carryover of unused cost.—The amount of any cost which (but for subparagraph (A)) would have been allowed as a deduction under subsection (a) for any taxable year shall be carried to the succeeding taxable year and added to the amount allowable as a deduction under subsection (a) for such succeeding taxable year.
“(C) Computation of taxable income.—For purposes of this paragraph, taxable income derived from the conduct of a trade or business shall be computed without regard to the cost of any section
179 property.”
Subsec. (d)(1).
Pub. L. 100–647, § 1002(a)(19), substituted “tangible property (to which section
168 applies)” for “recovery property”.
1986—Subsec. (b).
Pub. L. 99–514, § 202(a), in amending subsec. (b) generally, substituted “Limitations” for “Dollar limitation” in heading, in par. (1) substituted as heading “Dollar limitation” for “In general” and in text “shall not exceed $10,000” for “shall not exceed the following applicable amount:” and a table specifying amounts for specific years, added pars. (2) to (4), and struck out former par. (2) which read as follows: “In the case of a husband and wife filing separate returns for a taxable year, the applicable amount under paragraph (1) shall be equal to 50 percent of the amount otherwise determined under paragraph (1).”
Subsec. (d)(1).
Pub. L. 99–514, § 202(b), inserted “in the active conduct of”.
Subsec. (d)(8).
Pub. L. 99–514, § 201(d)(3), substituted “Treatment of” for “Dollar limitation in case of” in heading and amended text generally. Prior to amendment, text read as follows: “In the case of a partnership, the dollar limitation contained in subsection (b)(1) shall apply with respect to the partnership and with respect to each partner. A similar rule shall apply in the case of an S corporation and its shareholders.”
Subsec. (d)(10).
Pub. L. 99–514, § 202(c), struck out “before the close of the second taxable year following the taxable year in which it is placed in service by the taxpayer” after “at any time”.
1984—Subsec. (b)(1).
Pub. L. 98–369amended table by dropping items setting applicable amounts of $0 for 1981 and $5,000 for 1982, substituting an applicable amount of $5,000 for 1983, 1984, 1985, 1986, and 1987 for former table items which had set applicable amounts of $5,000 for 1983, $7,500 for 1984, $7,500 for 1985, and $10,000 for 1986 or thereafter, and added items setting applicable amounts of $7,500 for 1988 or 1989, and $10,000 for 1990 or thereafter.
1983—Subsec. (d)(10).
Pub. L. 97–448added par. (10).
1982—Subsec. (d)(8).
Pub. L. 97–354substituted “partnerships and S corporations” for “partnerships” in heading, and inserted “A similar rule shall apply in the case of an S corporation and its shareholders.”
1981—
Pub. L. 97–34amended section generally, changing its content from provisions that formerly made available an additional first-year depreciation allowance for small businesses to provisions allowing a taxpayer to elect to treat the cost of section
179 property as an expense which is not chargeable to capital account, with any cost so treated to be allowed as a deduction for the taxable year in which the section
179 property is placed in service.
1976—Subsecs. (c)(1), (2), (d)(6)(B).
Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.
Subsec. (d)(8), (9).
Pub. L. 94–455, § 213(a), added par. (8) and redesignated former par. (8) as par. (9).
Subsec. (e).
Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.
1969—Subsec. (d).
Pub. L. 91–172substituted reference to component members of a controlled group for reference to members of an affiliated group in pars. (2)(B) and (b), and substituted definition of controlled group for definition of affiliated group in par. (7).
1962—Subsec. (d)(5).
Pub. L. 87–834, § 13(c)(2)(A), substituted “section
167
(h)” for “section
167
(g)”.
Subsec. (d)(8).
Pub. L. 87–834, § 13(c)(2)(B), substituted “section
167
(g)” for “section
167
(f)”.
Effective Date of 2010 Amendment
Pub. L. 111–312, title IV, § 402(f),Dec. 17, 2010,
124 Stat. 3307, provided that: “The amendments made by this section [amending this section] shall apply to taxable years beginning after December 31, 2011.”
Amendment by section 737(b)(3) of
Pub. L. 111–312applicable to property placed in service after Dec. 31, 2009, see section 737(c) of
Pub. L. 111–312, set out as a note under section
168 of this title.
Pub. L. 111–240, title II, § 2021(e),Sept. 27, 2010,
124 Stat. 2558, provided that:
“(1) In general.—Except as provided in paragraph (2), the amendments made by this section [amending this section] shall apply to property placed in service after December 31, 2009, in taxable years beginning after such date.
“(2) Extensions.—The amendments made by subsections (c) and (d) shall apply to taxable years beginning after December 31, 2010.”
Pub. L. 111–147, title II, § 201(b),Mar. 18, 2010,
124 Stat. 77, provided that: “The amendments made by this section [amending this section] shall apply to taxable years beginning after December 31, 2009.”
Effective Date of 2009 Amendment
Pub. L. 111–5, div. B, title I, § 1202(b),Feb. 17, 2009,
123 Stat. 335, provided that: “The amendments made by this section [amending this section] shall apply to taxable years beginning after December 31, 2008.”
Effective Date of 2008 Amendment
Pub. L. 110–343, div. C, title VII, § 711(b),Oct. 3, 2008,
122 Stat. 3929, provided that: “The amendment made by this section [amending this section] shall apply to property placed in service after December 31, 2007, with respect [to] disasters declared after such date.”
Pub. L. 110–185, title I, § 102(b),Feb. 13, 2008,
122 Stat. 618, provided that: “The amendment made by this section [amending this section] shall apply to taxable years beginning after December 31, 2007.”
Effective Date of 2007 Amendment
Pub. L. 110–28, title VIII, § 8212(d),May 25, 2007,
121 Stat. 193, provided that: “The amendments made by this section [amending this section] shall apply to taxable years beginning after December 31, 2006.”
Effective Date of 2004 Amendment
Pub. L. 108–357, title VIII, § 910(b),Oct. 22, 2004,
118 Stat. 1660, provided that: “The amendment made by this section [amending this section] shall apply to property placed in service after the date of the enactment of this Act [Oct. 22, 2004].”
Effective Date of 2003 Amendment
Pub. L. 108–27, title II, § 202(f),May 28, 2003,
117 Stat. 758, provided that: “The amendments made by this section [amending this section] shall apply to taxable years beginning after December 31, 2002.”
Effective Date of 1996 Amendment
Section 1111(b) of
Pub. L. 104–188provided that: “The amendment made by subsection (a) [amending this section] shall apply to taxable years beginning after December 31, 1996.”
Amendment by section 1702(h)(10), (19) of
Pub. L. 104–188effective, 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 1993 Amendment
Section 13116(b) of
Pub. L. 103–66provided that: “The amendment made by subsection (a) [amending this section] shall apply to taxable years beginning after December 31, 1992.”
Effective Date of 1990 Amendment
Amendment by
Pub. L. 101–508applicable to property placed in service after Dec. 31, 1990, but not applicable to any transition property (as defined in section
49
(e) of this title), any property with respect to which qualified progress expenditures were previously taken into account under section
46
(d) of this title, and any property described in section
46
(b)(2)(C) of this title, as such sections were in effect on Nov. 4, 1990, see section 11813(c) of
Pub. L. 101–508, set out as a note under section
45K of this title.
Effective Date of 1988 Amendment
Amendment by
Pub. L. 100–647effective, 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 section 201(d)(3) of
Pub. L. 99–514applicable to property placed in service after Dec. 31, 1986, in taxable years ending after such date, with exceptions, see sections 203 and 204 of
Pub. L. 99–514, set out as a note under section
168 of this title.
Amendment by section 201(d)(3) of
Pub. L. 99–514not applicable to any property placed in service before Jan. 1, 1994, if such property placed in service as part of specified rehabilitations, and not applicable to certain additional rehabilitations, see section 251(d)(2), (3) of
Pub. L. 99–514, set out as a note under section
46 of this title.
Effective Date of 1984 Amendment
Amendment by
Pub. L. 98–369applicable to taxable years ending after Dec. 31, 1983, see section 18(a) of
Pub. L. 98–369, set out as a note under section
48 of this title.
Effective Date of 1983 Amendment
Amendment by
Pub. L. 97–448effective, except as otherwise provided, as if it had been included in the provision of the Economic Recovery Tax Act of 1981,
Pub. L. 97–34, to which such amendment relates, see section 109 of
Pub. L. 97–448, set out as a note under section
1 of this title.
Effective Date of 1982 Amendment
Amendment by
Pub. L. 97–354applicable 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 1981 Amendment
Amendment by
Pub. L. 97–34applicable to property placed in service after Dec. 31, 1980, in taxable years ending after that date, see section 209(a) of
Pub. L. 97–34, set out as an Effective Date note under section
168 of this title.
Effective Date of 1976 Amendment
Amendment by section 213(a) of
Pub. L. 94–455applicable in the case of partnership taxable years beginning after Dec. 31, 1975, see section 213(f) of
Pub. L. 94–455, set out as an Effective Date note under section
709 of this title.
Effective Date of 1969 Amendment
Amendment by
Pub. L. 91–172applicable with respect to taxable years ending on or after Dec. 31, 1970, see section 401(h)(3) of
Pub. L. 91–172, set out as a note under section
1561 of this title.
Effective Date of 1962 Amendment
Amendment by
Pub. L. 87–834applicable to taxable years beginning after Dec. 31, 1961, and ending after Oct. 16, 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
Section 204(c) of
Pub. L. 85–866provided that: “The amendments made by this section [enacting this section] shall apply with respect to taxable years ending after June 30, 1958.”
Savings Provision
For provisions that nothing in amendment by
Pub. L. 101–508be 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
45K of this title.