Section, Pub. L. 85–316, § 4, Sept. 11, 1957, 71 Stat. 639; Pub. L. 86–253, § 2, Sept. 9, 1959, 73 Stat. 490; Pub. L. 86–648, § 7, July 14, 1960, 74 Stat. 505, related to nonquota immigrant visas for eligible orphans.