9r(e), 80a-41, 80b-9, 155, 717m, 1271. and 1714 of Title 15. Commerce and Trade, section srof of Title 16. Conservation, section 1333 of Title 19, Customs Duties, section 373 of Title 21, Food and Drugs. sections 4874 and 7493 of Title 26, Internal Revenue Code, section 161(3) of Title 29, Labor, section 506