California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 21058

(a) A bill of sale on an approved form giving the date of sale, the loading point, the name and address of the owner or consignor or both, the destination, the number of animals, the certificate number on which the animals were inspected into the feedlot, the lot number, if any, the name and address of the buyer, the name of the transporter or carrier and the license number of the vehicle used to transport the animals, and the signature of the owner or his or her authorized agent.

(b) A saleyard invoice meeting the requirements of Sections 21744 and 21745.

(c) A certificate of consignment on an approved form giving the date of sale, the loading point, the name and address of the owner or consignor or both, the destination, the number of animals, the certificate number on which the animals were inspected into the feedlot, the lot number, if any, the name and address of the buyer, the name of the transporter or carrier and the license number of the vehicle used to transport the animals, and the signature of the owner or his or her authorized agent.

(d) A brand inspection certificate or, for states with no inspection, a bill of sale or health certificate.