Oleomargarine. Regulations 9 relating to taxes on oleomargarine, adulterated butter, and process or renovated butter under acts of Aug. 2, 1886 (24 Stat. 209), May 9, 1902 (32 Stat. 193), Aug. 10, 1912 (37 Stat. 273), Oct. 1, 1918 (40 Stat. 1008), July 10, 1930 (46 Stat. 1022), Mar. 4, 1931 (46 Stat. 1549), and Feb. 24, 1933 (47 Stat. 902).