50 U.S.C. § 165
Section, acts Mar. 3, 1925, ch. 426, §4, 43 Stat. 1111; Mar. 3, 1927, ch. 355, 44 Stat. 1388; Sept. 1, 1937, ch. 895, 50 Stat. 887, related to exportation of helium gas. See section 2778 of Title 22, Foreign Relations and Intercourse.