Cal. Food & Agric. Code § 35072

Upon receipt of an application for a modified milk license, modified UHT milk license, or modified UHT cream license, the director shall investigate the equipment and sanitary conditions of the place where the modified milk, modified UHT milk, or modified UHT cream is to be manufactured or prepared, and provide the applicant with a copy of the laws of the state which pertain to the product. If the condition of the place is found to be satisfactory, and the special fee for the license which is prescribed by Section 35225 is paid by the applicant, the license shall be issued. A modified milk license, modified UHT milk license, or modified UHT cream license shall normally expire on the 31st day of December of each year.