Regulations no. 5 relating to the importation, manufacture, production, compounding, sale, dealing in, dispensing and giving away of opium or coca leaves or any compound, manufacture, salt derivative, or preparation thereof under the act of Dec. 17, 1914, as amended by secs. 1006-7 of the act of Feb. 24, 1919, secs. 703 and 704 of the act of Feb. 26, 1926, act of Jan. 22, 1927, sec. 432 of the act of May 29, 1928, and sec. 806 of the act of June 22, 1936, and the acts of Mar. 3, 1927 and June 14, 1930, narcotic-℗Ưinternal revenue regulations, effective date, June 1, 1938.