Section,
Pub. L. 90–247, title IV, § 413, formerly § 406, as added
Pub. L. 90–576, title III, § 301(b), Oct. 16, 1968,
82 Stat. 1094; amended
Pub. L. 91–230, title IV, § 401(a)(9), Apr. 13, 1970,
84 Stat. 166; renumbered § 415,
Pub. L. 92–318, title III, § 301(a)(1), June 23, 1972,
86 Stat. 326; renumbered § 413,
Pub. L. 93–380, title V, § 506(a)(2)(A), Aug. 21, 1974,
88 Stat. 563, related to availability of appropriations.