Any person that is engaged in the business of selling cattle on consignment at any public stockyard, public salesyard, or public cattle sales market shall prepare a certificate of consignment on or before the day of a sale which contains all of the following:
The certificate of consignment shall be kept by the seller for a period of one year after the date of sale. Any such certificate shall be exhibited on the demand of any peace officer or any agent of the department.
Ca. Food and Agric. Code § 21743