A prior section 128, 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, prior to repeal by Pub. L. 101–508, title XI, § 11801(a)(10), Nov. 5, 1990, 104 Stat. 1388–520.

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

Pub. L. 119–21, title VII, § 70204(e), July 4, 2025, 139 Stat. 188, provided that: “The amendments made by this section [enacting this section and sections 139J, 530A, 6434, and 6659 of this title and amending sections 529A, 4973, 6213, and 6693 of this title] shall apply to taxable years beginning after December 31, 2025.”

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.