Cal. FAC § 18872

Whenever any livestock product or poultry product or any product exempted from the definition of a livestock product and from the definition of a poultry product, or any dead, dying, disabled, or diseased livestock or poultry, is found by any authorized representative of the director upon any premises where it is held for purposes of, during, or after distribution in, intrastate commerce, or is otherwise subject to this chapter and there is reason to believe that any such article is adulterated or misbranded and is capable of use as human food, or that it has not been inspected, in violation of the provisions of this chapter or of the Federal Meat Inspection Act or the Federal Poultry Products Inspection Act or the Federal Food, Drug, and Cosmetic Act, or that such article or animal has been or is intended to be, distributed in violation of any such provisions, it may be detained by such representative for a period not to exceed 20 days, pending action under Section 18873 or notification of any federal authorities having jurisdiction over such article or animal, and shall not be moved by any person from the place at which it is located when so detained, until released by such representative. All official marks may be required by such representative to be removed from such article or animal before it is released unless it appears to the satisfaction of the director that the article or animal is eligible to retain such marks.