Cal. Penal Code § 30395

(a) The Department of Justice is authorized to issue ammunition vendor licenses to applicants who the department has determined, either as an individual or a responsible person, are not prohibited from possessing, receiving, owning, or purchasing ammunition under subdivision (a) of Section 30305 or federal law, and who provide a copy of each of the following documents, as applicable:
1. (1) Any regulatory or business license required by local government.
2. (2) A valid seller’s permit issued by the California Department of Tax and Fee Administration pursuant to Section 6067 of the Revenue and Taxation Code and, commencing July 1, 2024, a valid certificate of registration issued pursuant to Section 36036 of the Revenue and Taxation Code.
3. (3) A valid federal firearms license, if the person is so licensed.
4. (4) A certificate of eligibility issued by the Department of Justice.
(b) The department shall keep a registry of all licensed ammunition vendors. Law enforcement agencies shall be provided access to the registry for law enforcement purposes.
(c) An ammunition vendor license is subject to forfeiture for a breach of any of the prohibitions and requirements of Article 2 (commencing with Section 30300) or Article 3 (commencing with Section 30342).