1988—Subsec. (b). Pub. L. 100–647 substituted “section 59 (e)” for “section 59 (d)”.

1986—Subsec. (b). Pub. L. 99–514 substituted “section 59 (d)” for “section 58 (i)”.

1984—Subsec. (b). Pub. L. 98–369 substituted “3-year” for “10-year”.

1982—Pub. L. 97–248, § 201(d)(9)(A), designated existing provisions as subsec. (a), added subsec. (a) heading, and added subsec. (b).

1976—Pub. L. 94–455 struck out “or his delegate” after “Secretary” in two places.

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.

Amendment by Pub. L. 99–514 applicable to taxable years beginning after Dec. 31, 1986, with certain exceptions and qualifications, see section 701(f) of Pub. L. 99–514, set out as an Effective Date note under section 55 of this title.

Amendment by Pub. L. 98–369 effective as if included in the provision of the Tax Equity and Fiscal Responsibility Act of 1982, Pub. L. 97–248, to which such amendment relates, see section 715 of Pub. L. 98–369, set out as a note under section 31 of this title.

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.

For applicability of amendment by Pub. L. 99–514 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.