Section 1767a, act Aug. 26, 1954, ch. 937, ch. IV, 548, as added July 8, 1955, ch. 301, 11, 69 Stat. 289; amended July 18, 1956, ch. 627, 11(c), 70 Stat. 565, related to availability of unexpended balances of funds. See section 2404 of this title. Section 1768, acts Aug. 26, 1954, ch. 937, ch. IV, 543, 68 Stat. 861; Aug. 14, 1957, Pub. L. 85–141, § 11(a), 71 Stat. 365; June 30, 1958, Pub. L. 85–477, ch. IV, 401(g), 72 Stat. 270; July 24, 1959, Pub. L. 86–108, ch. IV, 401(k), 73 Stat. 255, contained savings provisions. See section 2392 of this title.