California Code, Health and Safety Code - HSC § 112755

The department shall issue an annual license, that is nontransferable, to any person on the receipt of fifty dollars ($50) per plant, and evidence as the board may require to show that (1) the applicant is properly equipped with a retort or pressure cooker that has recording thermometers, indicating thermometers, and pressure gauges to carry out regulations as the department may adopt for the sterilization of food products for the canning of which a license is sought and (2) the applicant is in compliance with the sanitary regulations of the department. The applicant shall be deemed to be in compliance with the sanitary regulations unless the applicant has been given written notice by the department not less than 60 days prior to the expiration of the existing license that the cannery does not comply with the sanitary regulations, and the applicant has subsequently failed to bring the cannery into compliance therewith.