Section, acts July 10, 1952, ch. 651, title I, 66 Stat. 551; Aug. 5, 1953, ch. 328, title I, 67 Stat. 368; July 2, 1954, ch. 456, title I, 68 Stat. 415; July 7, 1955, ch. 279, title I, 69 Stat. 266; June 20, 1956, ch. 414, title I, 70 Stat. 301, related to availability of funds for United States participation in the International Civil Aviation Organization, and was from annual Department of State Appropriation Acts. Similar provisions which are permanent are classified to section 2673 of this title.