Sections, acts June 29, 1906, ch. 3592, § 1, 34 Stat. 596; Mar. 2, 1929, ch. 536, §§ 1 to 3, 45 Stat. 1512, 1513; Apr. 19, 1934, ch. 154, § 6, 48 Stat. 598; June 8, 1934, ch. 429, 48 Stat. 926; Aug. 7, 1939, ch. 517, 53 Stat. 1243, related to registry of aliens. Similar provisions were contained in former sections 728, 729, 742(b), and 746(l) of this title. See sections 1230 and 1259 of this title.