Section, act Aug. 13, 1946, ch. 957, title VIII, 882, as added Oct. 31, 1965, Pub. L. 89–308, § 9(3), 79 Stat. 1131; amended Feb. 28, 1970, Pub. L. 91–201, title II, § 205, 84 Stat. 19; July 12, 1976, Pub. L. 94–350, title V, § 515, 90 Stat. 844; Oct. 1, 1976, Pub. L. 94–440, title XIII, § 1306(e)(1), 90 Stat. 1463; Ex. Ord. No. 11272, 1101, Jan. 16, 1981, 46 F.R. 5853, related to effective date, etc., of provisions authorizing cost-of-living annuity increase.