The detainer authority conferred by section
467a of this title shall apply to any authorized representative of the Secretary of Health and Human Services for purposes of the enforcement of the Federal Food, Drug, and Cosmetic Act [
21 U.S.C.
301 et seq.] with respect to any poultry carcass, or part or product thereof, that is outside any official establishment, and for such purposes the first reference to the Secretary in section
467a of this title shall be deemed to refer to the Secretary of Health and Human Services.