Section, acts Feb. 5, 1917, ch. 29, 23, 39 Stat. 892; May 14, 1937, ch. 181, 50 Stat. 164; Oct. 29, 1945, ch. 438, 59 Stat. 551; Oct. 15, 1949, ch. 695, 5(a), 63 Stat. 880, related to administration of immigration laws. See sections 1103, 1223 (a), and 1260 of this title.