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. For savings provision, see section 11821(b) of Pub. L. 101–508, set out as a note under section 45K of this title.

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.”