1984—Subsec. (a). Pub. L. 98–369 substituted “801” for “802”.

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

Subsec. (c)(1). Pub. L. 94–455, § 1901(b)(3)(K), substituted “ordinary income” for “gain from the sale or exchange of property which is neither a capital asset nor property described in section 1231”.

Amendment by Pub. L. 98–369 applicable to taxable years beginning after Dec. 31, 1983, see section 215 of Pub. L. 98–369, set out as an Effective Date note under section 801 of this title.

Amendment by section 1901(b)(3)(K) of Pub. L. 94–455 applicable with respect to taxable years beginning after Dec. 31, 1976, see section 1901(d) of Pub. L. 94–455, set out as a note under section 2 of this title.

Pub. L. 89–384, § 1(b)(3), Apr. 8, 1966, 80 Stat. 102, as amended by Pub. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that: “The amendments made by this subsection [enacting this section] shall apply to taxable years beginning after December 31, 1965, but only with respect to losses described in section 80(a)(2) of the Internal Revenue Code of 1986 [formerly I.R.C. 1954] (as added by paragraph (1) of this subsection) which were sustained after December 31, 1958.”