All fireworks or pyrotechnic devices intended for sale in this state, which are products of nonlicensed manufacturers, shall be examined and classified by the State Fire Marshal upon written application on forms provided by him. Such application shall be accompanied by a fee as follows:
A separate application and fee shall be submitted for each lot or batch. The State Fire Marshal seal and the wholesalers or importers registration number shall not be imprinted on the label until the lot or batch has been examined and classified.
Ca. Health and Saf. Code § 12637