Cal. Food & Agric. Code § 34562

Any person that acquires any container, cabinet, or other dairy equipment which is marked with a brand that is registered pursuant to this chapter, by purchase or by other lawful means, and that has the written consent of the registrant of such brand to use it on the particular container, cabinet, or other dairy equipment which is acquired, or to use such brand on containers generally, shall so notify the department. He shall not thereafter be required again to file and publish the description but shall acquire as a part of such purchase all such benefit as the vendor had under this code as to the particular containers, cabinets, or other dairy equipment so acquired or as to containers generally, dependent on the form of such written consent.