§§ 171 to 174. Repealed.]

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 Act May 26, 1922, ch. 202, § 1, 42 Stat. 596, also classified to this section, was repealed by Pub.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.