(a) Plant Quarantine Act. The entry of plant material subject to restriction under the Plant Quarantine Act of 1912, as amended (7 U.S.C. 151 through 164a, 167), shall not be permitted except under permits issued by the Plant Quarantine Division of the Agricultural Research Service, Department of Agriculture, and in accordance with the plant quarantine regulations.

(b) Federal Food, Drug, and Cosmetic Act. The entry of food products shall conform to the requirements of the Federal Food, Drug, and Cosmetic Act, as amended (21 U.S.C. 301 et seq.), and the regulations issued thereunder.