Section 171, acts Feb. 9, 1909, ch. 100, 1, 35 Stat. 614; Jan. 17, 1914, ch. 9, 38 Stat. 275; May 26, 1922, ch. 202, 1, 42 Stat. 596; June 14, 1930, ch. 488, 3, 46 Stat. 586; July 1, 1944, ch. 377, 8, 58 Stat. 721; Mar. 8, 1946, ch. 81, 7, 60 Stat. 39; Aug. 8, 1953, ch. 394, 8, 67 Stat. 506, defined narcotic drug, United States, and person. See section 801 et seq. of this title. Section 172, acts Feb. 9, 1909, ch. 100, 2(a), 35 Stat. 614; Jan. 17, 1914, ch. 9, 38 Stat. 275; June 7, 1924, ch. 352, 43 Stat. 657, established a Federal Narcotics Control Board. Act May 26, 1922, ch. 202, 1, 42 Stat. 596, also classified to this section, was repealed by Pub. L. 89–554, § 8(a), Sept. 6, 1966, 80 Stat. 645. Section 173, acts Feb. 9, 1909, ch. 100, 2(b), (d), 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; June 14, 1930, ch. 488, 3, 46 Stat. 586, prohibited importation of narcotic drugs. See section 801 et seq. of this title. Section 173a, act June 14, 1930, ch. 488, 6, 46 Stat. 587, provided for importation of additional amounts of coca leaves. Section 174, acts Feb. 9, 1909, ch. 100, 2(c), (f), 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; Nov. 2, 1951, ch. 666, 1, 5 (1), 65 Stat. 767; July 18, 1956, ch. 629, title I, 105, 70 Stat. 570, set penalties for bringing narcotic drugs into the United States contrary to law. See chapter 13 of this title.