No indecent or immoral picture, print, or representation shall be contained in, attached to, or stamped, marked, written, or printed on any package of tobacco products, or cigarette papers or tubes. (72 Stat. 1422; 26 U.S.C. 5723) [T.D. 6871, 31 FR 51, Jan. 4, 1966. Redesignated at 40 FR 16835, Apr. 15, 1975, and amended by T.D. ATF-232, 51 FR 28088, Aug. 5, 1986; T.D. ATF-243, 51 FR 43194, Dec. 1, 1986]