A prior section 3056d, Pub. L. 89–73, title V, § 506, formerly title IX, § 906, as added Pub. L. 94–135, title I, § 113(a), Nov. 28, 1975, 89 Stat. 723; renumbered title V, § 506, and amended Pub. L. 95–478, title I, § 105(a), (e), Oct. 18, 1978, 92 Stat. 1547, 1548; Pub. L. 97–115, § 12(e), Dec. 29, 1981, 95 Stat. 1607; Pub. L. 98–459, title V, § 503(a), (b), Oct. 9, 1984, 98 Stat. 1787; Pub. L. 100–175, title I, §§ 162(b), 182 (b)(3), Nov. 29, 1987, 101 Stat. 957, 964; Pub. L. 102–375, title V, § 504(a)–(c)(1), (3), title IX, § 904(b)(2), Sept. 30, 1992, 106 Stat. 1267–1269, 1309, related to national grants or contracts and State allotments for projects, prior to the general amendment of this subchapter by Pub. L. 106–501.

Another prior section 506 of Pub. L. 89–73 was classified to section 3041e of this title, prior to repeal by Pub. L. 95–478.