Section, acts July 2, 1940, ch. 508, § 6,
54 Stat. 714; June 30, 1942, ch. 461,
56 Stat. 463; July 1, 1944, ch. 360,
58 Stat. 671; June 30, 1945, ch. 205,
59 Stat. 270; May 23, 1946, ch. 269,
60 Stat. 215; June 30, 1947, ch. 184, § 1,
61 Stat. 214; July 15, 1947, ch. 248, § 4,
61 Stat. 323; Dec. 30, 1947, ch. 526, § 3(a),
61 Stat. 946, authorized President, until Feb. 28, 1949, to prohibit or curtail exportation of any articles, technical data, materials, or supplies, except under those rules and regulations as he should prescribe. See section
2401 et seq. of this Appendix.