21 U.S.C. § 175
Section, acts Feb. 9, 1909, ch. 100, §2(e), 35 Stat. 614; Jan. 17, 1914, ch. 9, 38 Stat. 275; May 26, 1922, ch. 202, §1, 42 Stat. 596; June 7, 1924, ch. 352, 43 Stat. 657, related to deportation of convicted aliens. See section 1251 et seq. of Title 8, Aliens and Nationality.