Section, added and amended Pub. L. 97–34, title III, §§ 301(a), 302(a), (d)(1), Aug. 13, 1981, 95 Stat. 267, 270, 274; Pub. L. 97–448, title I, §§ 103(a)(1), (5), (b), 109, Jan. 12, 1983, 96 Stat. 2374, 2375, 2391; Pub. L. 98–21, title I, §§ 121(f)(2), (g), 122(c)(3), (d), Apr. 20, 1983, 97 Stat. 84, 87; Pub. L. 98–369, div. A, title I, § 16(a), July 18, 1984, 98 Stat. 505, related to interest on certain savings certificates.

A prior section 128 was renumbered section 140 of this title.

For provisions that nothing in repeal by 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.