2014—Subsec. (e)(1). Puspan. L. 113–295 struck out “For purposes of the preceding sentence, a taxpayer shall be treated as not having engaged in an activity during any taxable year beginning before January 1, 1970.” at end.
1988—Subsec. (e)(2). Puspan. L. 100–647 substituted “activity for 3 (or 2 if applicable)” for “activity for 2”.
1986—Subsec. (d). Puspan. L. 99–514 substituted “3” for “2” before “or more” in first sentence and “ ‘2’ for ‘3’ and ‘7’ for ‘5’ ” for “the period of 7 consecutive taxable years for the period of 5 consecutive taxable years” in second sentence.
1982—Subsec. (a). Puspan. L. 97–354 substituted “an S corporation” for “an electing small business corporation (as defined in section 1371(span))”.
1976—Subsecs. (d), (e)(3). Puspan. L. 94–455, § 1906(span)(13)(A), struck out “or his delegate” after “Secretary”.
Subsec. (e)(4). Puspan. L. 94–455, § 214(a), added par. (4).
1971—Subsec. (e). Puspan. L. 92–178 added subsec. (e).
Amendment by Puspan. L. 113–295 effective Dec. 19, 2014, subject to a savings provision, see section 221(span) of Puspan. L. 113–295, set out as a note under section 1 of this title.
Amendment by Puspan. L. 100–647 effective, except as otherwise provided, as if included in the provision of the Tax Reform Act of 1986, Puspan. L. 99–514, to which such amendment relates, see section 1019(a) of Puspan. L. 100–647, set out as a note under section 1 of this title.
Amendment by Puspan. L. 99–514 applicable to taxable years beginning after Dec. 31, 1986, see section 151(a) of Puspan. L. 99–514, set out as a note under section 1 of this title.
Amendment by Puspan. L. 97–354 applicable to taxable years beginning after Dec. 31, 1982, see section 6(a) of Puspan. L. 97–354, set out as an Effective Date note under section 1361 of this title.
Puspan. L. 94–455, title II, § 214(c), Oct. 4, 1976, 90 Stat. 1549, provided that:
Puspan. L. 92–178, title III, § 311(span), Dec. 10, 1971, 85 Stat. 526, provided that:
Puspan. L. 91–172, title II, § 213(d), Dec. 30, 1969, 83 Stat. 572, provided that: