2015—Subsec. (b). Pub. L. 114–74 inserted at end “In the case of a capital interest in a partnership in which capital is a material income-producing factor, whether a person is a partner with respect to such interest shall be determined without regard to whether such interest was derived by gift from any other person.”

2007—Subsecs. (f), (g). Pub. L. 110–28 added subsec. (f) and redesignated former subsec. (f) as (g).

1986—Subsec. (e). Pub. L. 99–514 substituted “Distributions of partnership interests” for “Distributions” in heading, substituted “Except as otherwise provided in regulations, for purposes of” for “For purposes of” in introductory provision, and “any distribution of an interest in a partnership” for “any distribution” in closing provisions.

1984—Subsecs. (e), (f). Pub. L. 98–369 added subsec. (e) and redesignated former subsec. (e) as (f).

1980—Subsec. (a)(3). Pub. L. 96–222 added par. (3).

1976—Subsec. (a). Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.

Subsec. (e). Pub. L. 94–455, § 213(c)(3)(B), added subsec. (e).

Amendment by Pub. L. 114–74 applicable to partnership taxable years beginning after Dec. 31, 2015, see section 1102(c) of Pub. L. 114–74, set out as a note under section 704 of this title.

Pub. L. 110–28, title VIII, § 8215(c), May 25, 2007, 121 Stat. 194, provided that: “The amendments made by this section [amending this section, section 1402 of this title, and section 411 of Title 42, The Public Health and Welfare] shall apply to taxable years beginning after December 31, 2006.”

Amendment by Pub. L. 99–514 effective, except as otherwise provided, as if included in the provisions of the Tax Reform Act of 1984, Pub. L. 98–369, div. A, to which such amendment relates, see section 1881 of Pub. L. 99–514, set out as a note under section 48 of this title.

Amendment by Pub. L. 98–369 applicable to distributions, sales, and exchanges made after Mar. 31, 1984, in taxable years ending after such date, see section 75(e) of Pub. L. 98–369, set out as an Effective Date note under section 386 of this title.

Amendment by Pub. L. 96–222 effective, except as otherwise provided, as if it had been included in the provisions of the Revenue Act of 1978, Pub. L. 95–600, to which such amendment relates, see section 201 of Pub. L. 96–222, set out as a note under section 32 of this title.

Amendment by section 213(c)(3)(B) of Pub. L. 94–455 applicable in the case of partnership taxable years beginning after Dec. 31, 1975, see section 213(f)(1) of Pub. L. 94–455, set out as a note under section 709 of this title.

For provisions directing that if any amendments made by subtitle A or subtitle C of title XI [§§ 1101–1147 and 1171–1177] or title XVIII [§§ 1800–1899A] of Pub. L. 99–514 require an amendment to any plan, such plan amendment shall not be required to be made before the first plan year beginning on or after Jan. 1, 1989, see section 1140 of Pub. L. 99–514, as amended, set out as a note under section 401 of this title.