[63d Congress, 3d session] public [act] 223-225; approved [Dec. 17-]28, 1914. Opium. H. 6282, for registration of, with collectors of internal revenue, and to impose special tax upon persons who produce, import, manufacture, compound, deal in, dispense, sell, distribute, or give away opium or coca leaves, their salts, derivatives, or preparations [etc.].