Section 380a, acts Aug. 4, 1939, ch. 418, § 13, 53 Stat. 1197; Oct. 10, 1940, ch. 851, § 4, 54 Stat. 1111, authorized purchases by Bureau of Reclamation without compliance with former section 16 of Title 41, Public Contracts.

Section 380b, act July 9, 1952, ch. 597, title I, 66 Stat. 453, which authorized transfer of surplus aircraft parts and equipment to Bureau of Reclamation was from the Interior Department Appropriation Act, 1953, and was not repeated in subsequent appropriation acts.

A prior section 380b, act Aug. 31, 1951, ch. 375, title I, 65 Stat. 257, contained provisions similar to section 380b.