Section, Pub. L. 88–452, title I, § 171, formerly § 141, as added Pub. L. 89–794, title I, § 114, Nov. 8, 1966, 80 Stat. 1456; renumbered § 161, Pub. L. 90–222, title I, § 111(b), Dec. 23, 1967, 81 Stat. 726; renumbered § 171 and amended Pub. L. 91–177, title I, § 101(a), title II, § 201, Dec. 30, 1969, 83 Stat. 827, 833; Pub. L. 92–424, § 2(a), Sept. 19, 1972, 86 Stat. 688, authorized implementation of programs during the fiscal year ending June 30, 1967, and the eight succeeding fiscal years.

Repeal effective Oct. 1, 1981, see section 9912(a) of this title, prior to the general amendment of chapter 106 (§ 9901 et seq.) of this title by Pub. L. 105–285.