Food & Agr. Code, § 18727

The director shall require the following classes of persons to keep such records and for such periods as he may specify, to fully and correctly disclose all transactions involved in their business, and afford to the director and his representatives, access to such places of business, and opportunity, at all reasonable times, to examine the facilities, inventory and such records, to copy the records, and to take reasonable samples of the inventory:

(a) Any person that engages in intrastate commerce in the business of slaughtering any livestock or poultry, or preparing, freezing, packaging or labeling, buying or selling (as brokers, wholesalers or otherwise), transporting, or storing any livestock product or poultry product which is intended for human or animal food.

(b) Any person that engages in intrastate commerce in the business of rendering or in the buying, selling, or transporting of any dead, dying, disabled, or diseased livestock or poultry, or any part of the carcass of any such animal (including poultry) that died otherwise than by slaughter.