Editorial Notes
References in Text

The date of the enactment of this clause, referred to in subsec. (a)(5)(C)(iii), is the date of enactment of Pub. L. 110–289, which was approved July 30, 2008.

The date of the enactment of the Tax Reform Act of 1986, referred to in subsec. (a)(6), is the date of enactment of Pub. L. 99–514, which was approved Oct. 22, 1986.

Prior Provisions

A prior section 57, added Pub. L. 91–172, title III, § 301(a), Dec. 30, 1969, 83 Stat. 581; amended Pub. L. 92–178, title III, §§ 303(b), 304(a)(1), (b)(1), (d), Dec. 10, 1971, 85 Stat. 522–524; Pub. L. 94–455, title III, § 301(c)(1)–(4)(A), (C), title XIX, §§ 1901(b)(33)(A), (B), 1906(b)(13)(A), Oct. 4, 1976, 90 Stat. 1550–1552, 1800, 1834; Pub. L. 95–30, title I, § 101(d)(5), title III, § 308(a), title IV, § 402(a)(5), May 23, 1977, 91 Stat. 133, 153, 155; Pub. L. 95–600, title III, § 301(b)(2), title IV, §§ 402(b)(1), 421(b), title VII, § 701(b)(1), (3), (4), (f)(3)(D), Nov. 6, 1978, 92 Stat. 2820, 2868, 2874, 2898, 2899, 2901; Pub. L. 95–618, title IV, § 402(b), Nov. 9, 1978, 92 Stat. 3202; Pub. L. 96–222, title I, §§ 104(a)(4)(E), (F), 107(a)(1)(A), Apr. 1, 1980, 94 Stat. 217, 222; Pub. L. 96–596, § 3(a), Dec. 24, 1980, 94 Stat. 3475; Pub. L. 97–34, title I, § 121(c)(1), title II, §§ 205, 212(d)(2)(B), Aug. 13, 1981, 95 Stat. 197, 223, 239; Pub. L. 97–248, title II, §§ 201(b), 204(b), Sept. 3, 1982, 96 Stat. 416, 426; Pub. L. 97–354, § 5(a)(14), (15), Oct. 19, 1982, 96 Stat. 1693; Pub. L. 97–448, title I, § 102(b)(1)(A), (3), (4), Jan. 12, 1983, 96 Stat. 2369, 2370; Pub. L. 98–369, div. A, title I, §§ 16(b), 68(c), 111(e)(5)–(7), title V, § 555(a)(2), title VII, §§ 711(a)(3)(A), 722(a)(1), July 18, 1984, 98 Stat. 505, 588, 633, 897, 942, 972; Pub. L. 99–121, title I, § 103(b)(1)(B), (7), Oct. 11, 1985, 99 Stat. 509, 510; Pub. L. 99–272, title XIII, § 13208(a), Apr. 7, 1986, 100 Stat. 321; Pub. L. 99–514, title XVIII, §§ 1804(k)(3)(B)–(D), 1809(a)(3), Oct. 22, 1986, 100 Stat. 2809, 2819, related to items of tax preference, prior to the general revision of this part by Pub. L. 99–514, § 701(a).

Amendments

2014—Subsec. (a)(1). Pub. L. 113–295, § 221(a)(10), substituted “This paragraph” for “Effective with respect to taxable years beginning after December 31, 1992, this paragraph”.

Subsec. (a)(2)(E)(i). Pub. L. 113–295, § 221(a)(11)(A), substituted “This paragraph” for “In the case of any taxable year beginning after December 31, 1992, this paragraph”.

Subsec. (a)(2)(E)(ii). Pub. L. 113–295, § 221(a)(11)(B), struck out “(30 percent in case of taxable years beginning in 1993)” after “40 percent”.

2009—Subsec. (a)(5)(C)(vi). Pub. L. 111–5 added cl. (vi).

2008—Subsec. (a)(5)(C)(iii) to (v). Pub. L. 110–289 added cl. (iii) and redesignated former cls. (iii) and (iv) as (iv) and (v), respectively.

2003—Subsec. (a)(7). Pub. L. 108–27 substituted “7 percent” for “42 percent” after “An amount equal to” and struck out last sentence which read as follows: “In the case of stock the holding period of which begins after December 31, 2000 (determined with the application of the last sentence of section 1(h)(2)(B)), the preceding sentence shall be applied by substituting ‘28 percent’ for ‘42 percent’.”

1998—Subsec. (a)(7). Pub. L. 105–206 inserted at end “In the case of stock the holding period of which begins after December 31, 2000 (determined with the application of the last sentence of section 1(h)(2)(B)), the preceding sentence shall be applied by substituting ‘28 percent’ for ‘42 percent’.”

1997—Subsec. (a)(7). Pub. L. 105–34 substituted “42 percent” for “one-half”.

1996—Subsec. (a)(4). Pub. L. 104–188 struck out par. (4) which read as follows: “Reserves for losses on bad debts of financial institutions.—In the case of a financial institution to which section 593 applies, the amount by which the deduction allowable for the taxable year for a reasonable addition to a reserve for bad debts exceeds the amount that would have been allowable had the institution maintained its bad debt reserve for all taxable years on the basis of actual experience.”

1993—Subsec. (a)(6), (7). Pub. L. 103–66, § 13171(a), redesignated pars. (7) and (8) as (6) and (7), respectively, and struck out heading and text of former par. (6). Text read as follows:

“(A) In general.—The amount by which the deduction allowable under section 170 or 642(c) would be reduced if all capital gain property were taken into account at its adjusted basis.

“(B) Capital gain property.—For purposes of subparagraph (A), the term ‘capital gain property’ has the meaning given to such term by section 170(b)(1)(C)(iv). Such term shall not include any property to which an election under section 170(b)(1)(C)(iii) applies. In the case of any taxable year beginning in 1991, such term shall not include any tangible personal property. In the case of a contribution made before July 1, 1992, in a taxable year beginning in 1992, such term shall not include any tangible personal property.”

Subsec. (a)(8). Pub. L. 103–66, § 13171(a), redesignated par. (8) as (7).

Pub. L. 103–66, § 13113(b)(1), added par. (8).

1992—Subsec. (a)(1). Pub. L. 102–486, § 1915(a)(1), inserted at end “Effective with respect to taxable years beginning after December 31, 1992, this paragraph shall not apply to any deduction for depletion computed in accordance with section 613A(c).”

Subsec. (a)(2)(E). Pub. L. 102–486, § 1915(b)(1), added subpar. (E).

1991—Subsec. (a)(6)(B). Pub. L. 102–227 inserted at end “In the case of a contribution made before July 1, 1992, in a taxable year beginning in 1992, such term shall not include any tangible personal property.”

1990—Subsec. (a)(2)(D)(ii). Pub. L. 101–508, § 11815(b)(3), substituted “section 613(e)(2)” for “section 613(e)(3)”.

Subsec. (a)(4). Pub. L. 101–508, § 11801(c)(12)(A), struck out “585 or” after “section”.

Subsec. (a)(6)(B). Pub. L. 101–508, § 11344, inserted at end “In the case of any taxable year beginning in 1991, such term shall not include any tangible personal property.”

1988—Subsec. (a)(3). Pub. L. 100–647, § 1007(b)(14)(B), struck out par. (3) which related to incentive stock options.

Subsec. (a)(5)(C)(i). Pub. L. 100–647, § 1007(c)(2), amended cl. (i) generally. Prior to amendment, cl. (i) read as follows: “For purposes of this part, the term ‘specified private activity bonds’ means any private activity bond (as defined in section 141) issued after August 7, 1986.”

Subsec. (a)(5)(C)(iii). Pub. L. 100–647, § 1007(c)(1), inserted “(whether a current or advance refunding)” after “any refunding bond”.

Subsec. (a)(6)(A). Pub. L. 100–647, § 1007(c)(3), inserted “or 642(c)” after “section 170”.

Statutory Notes and Related Subsidiaries
Effective Date of 2014 Amendment

Amendment by Pub. L. 113–295 effective Dec. 19, 2014, subject to a savings provision, see section 221(b) of Pub. L. 113–295, set out as a note under section 1 of this title.

Effective Date of 2009 Amendment

Amendment by Pub. L. 111–5 applicable to obligations issued after Dec. 31, 2008, see section 1503(c) of Pub. L. 111–5, set out as a note under section 56 of this title.

Effective Date of 2008 Amendment

Amendment by Pub. L. 110–289 applicable to bonds issued after July 30, 2008, see section 3022(d)(1) of Pub. L. 110–289, set out as a note under section 56 of this title.

Effective Date of 2003 Amendment

Amendment by Pub. L. 108–27 applicable to dispositions on or after May 6, 2003, see section 301(d)(3) of Pub. L. 108–27, set out as an Effective and Termination Dates of 2003 Amendment note under section 1 of this title.

Effective Date of 1998 Amendment

Amendment by Pub. L. 105–206 effective, except as otherwise provided, as if included in the provisions of the Taxpayer Relief Act of 1997, Pub. L. 105–34, to which such amendment relates, see section 6024 of Pub. L. 105–206, set out as a note under section 1 of this title.

Effective Date of 1997 Amendment

Amendment by Pub. L. 105–34 applicable to taxable years ending after May 6, 1997, see section 311(d) of Pub. L. 105–34, set out as a note under section 1 of this title.

Effective Date of 1996 Amendment

Amendment by Pub. L. 104–188 applicable to taxable years beginning after Dec. 31, 1995, see section 1616(c) of Pub. L. 104–188, set out as a note under section 593 of this title.

Effective Date of 1993 Amendment

Amendment by section 13113(b)(1) of Pub. L. 103–66 applicable to stock issued after Aug. 10, 1993, see section 13113(e) of Pub. L. 103–66, set out as a note under section 53 of this title.

Amendment by section 13171(a) of Pub. L. 103–66 applicable to contributions made after June 30, 1992, except that in case of any contribution of capital gain property which is not tangible personal property, such amendment applicable only if the contribution is made after Dec. 31, 1992, see section 13171(d) of Pub. L. 103–66, set out as a note under section 53 of this title.

Effective Date of 1992 Amendment

Amendment by Pub. L. 102–486 applicable to taxable years beginning after Dec. 31, 1992, see section 1915(d) of Pub. L. 102–486, set out as a note under section 56 of this title.

Effective Date of 1988 Amendment

Amendment by section 1007(b)(14)(B) of Pub. L. 100–647 applicable with respect to options exercised after Dec. 31, 1987, see section 1007(b)(14)(C) of Pub. L. 100–647, set out as a note under section 56 of this title.

Amendment by section 1007(c) of 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

Section applicable to taxable years beginning after Dec. 31, 1986, with certain exceptions and qualifications, but subsec. (a)(6) not to apply to any deduction attributable to contributions made before Aug. 16, 1986, see section 701(f) of Pub. L. 99–514, set out as a note under section 55 of this title.

Savings Provision

For provisions that nothing in amendment by sections 11801 and 11815 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 45K of this title.

Transitional Provisions

Pub. L. 100–647, title I, § 1007(f)(4), Nov. 10, 1988, 102 Stat. 3433, provided that:

“(A)
If any property to which this paragraph applies is placed in service in a taxable year which begins before January 1, 1987, and ends on or after August 1, 1986, the item of tax preference determined under section 57(a) of the Internal Revenue Code of 1954 (as in effect on the day before the date of the enactment of the Tax Reform Act of 1986 [Oct. 22, 1986]) with respect to such property shall be the excess of—
“(i)
the amount allowable as a deduction for depreciation or amortization for such taxable year, over
“(ii)
the amount which would be determined for such taxable year under the rules of paragraph (1) or (5) (whichever is appropriate) of section 56(a) of the Internal Revenue Code of 1954 (as amended by the Tax Reform Act of 1986 [Pub. L. 99–514]).
“(B)
This paragraph shall apply to any property—
“(i)
which is described in paragraph (4) or (12) of section 57(a) of the Internal Revenue Code of 1954 (as so in effect), and
“(ii)
to which paragraph (1) or (5) of section 56(a) of the Internal Revenue Code of 1986 would apply if the taxable year referred to in subparagraph (A) began after December 31, 1986.”

Applicability of Certain Amendments by Pub. L. 99–514 in Relation to Treaty Obligations of United States

For applicability of amendment by section 701(a) of Pub. L. 99–514 [enacting this section] notwithstanding any treaty obligation of the United States in effect on Oct. 22, 1986, with provision that for such purposes any amendment by title I of Pub. L. 100–647 be treated as if it had been included in the provision of Pub. L. 99–514 to which such amendment relates, see section 1012(aa)(2), (4) of Pub. L. 100–647, set out as a note under section 861 of this title.