Section, acts Aug. 13, 1946, ch. 957, title V, 517, 60 Stat. 1008; Apr. 5, 1955, ch. 23, 4, 69 Stat. 25; July 28, 1956, ch. 770, 6, 70 Stat. 704; Sept. 8, 1960, Pub. L. 86–723, § 9, 74 Stat. 832, related to admission to classes 1 to 7 for Foreign Service officers.