Penal Code 30312
(a)(1) Commencing January 1, 2018, the sale of ammunition by any party shall be conducted by or processed through a licensed ammunition vendor.
(2) When neither party to an ammunition sale is a licensed ammunition vendor, the seller shall deliver the ammunition to a vendor to process the transaction. The ammunition vendor shall then promptly and properly deliver the ammunition to the purchaser, if the sale is not prohibited, as if the ammunition were the vendor’s own merchandise. If the ammunition vendor cannot legally deliver the ammunition to the purchaser, the vendor shall forthwith return the ammunition to the seller. The ammunition vendor may charge the purchaser an administrative fee to process the transaction, in an amount to be set by the Department of Justice, in addition to any applicable fees that may be charged pursuant to the provisions of this title.
(b) Commencing January 1, 2018, the sale, delivery or transfer of ownership of ammunition by any party may only occur in a face-to-face transaction with the seller, deliverer, or transferor, provided, however, that ammunition may be purchased or acquired over the Internet or through other means of remote ordering if a licensed ammunition vendor initially receives the ammunition and processes the transaction in compliance with this section and Article 3 (commencing with Section 30342) of Chapter 1 of Division 10 of Title 4 of this part.
(c) Subdivisions (a) and (b) shall not apply to the sale, delivery, or transfer of ammunition to any of the following:
(1) An authorized law enforcement representative of a city, county, city and county, or state or federal government, if the sale, delivery, or transfer is for exclusive use by that government agency and, prior to the sale, delivery, or transfer of the ammunition, written authorization from the head of the agency employing the purchaser or transferee is obtained, identifying the employee as an individual authorized to conduct the transaction, and authorizing the transaction for the exclusive use of the agency employing the individual.
(2) A sworn peace officer, as defined in Chapter 4.5 (commencing with Section 830) of Title 3 of Part 2, or sworn federal law enforcement officer, who is authorized to carry a firearm in the course and scope of the officer’s duties.
(3) An importer or manufacturer of ammunition or firearms who is licensed to engage in business pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and the regulations issued pursuant thereto.
(4) A person who is on the centralized list of exempted federal firearms licensees maintained by the Department of Justice pursuant to Article 6 (commencing with Section 28450) of Chapter 6 of Division 6 of this title.
(5) A person whose licensed premises are outside this state and who is licensed as a dealer or collector of firearms pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and the regulations issued pursuant thereto.
(6) A person who is licensed as a collector of firearms pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and the regulations issued pursuant thereto, whose licensed premises are within this state, and who has a current certificate of eligibility issued by the Department of Justice pursuant to Section 26710.
(7) An ammunition vendor.
(8) A consultant-evaluator.
(9) A person who purchases or receives ammunition at a target facility holding a business or other regulatory license, provided that the ammunition is at all times kept within the facility’s premises.
(10) A person who purchases or receives ammunition from a spouse, registered domestic partner, or immediate family member as defined in Section 16720.
(d) A violation of this section is a misdemeanor.
Penal Code 30314
(a) Commencing January 1, 2018, a resident of this state shall not bring or transport into this state any ammunition that he or she purchased or otherwise obtained from outside of this state unless he or she first has that ammunition delivered to a licensed ammunition vendor for delivery to that resident pursuant to the procedures set forth in Section 30312.
(b) Subdivision (a) does not apply to any of the following:
(1) An ammunition vendor.
(2) A sworn peace officer, as defined in Chapter 4.5 (commencing with Section 830) of Title 3 of Part 2, or sworn federal law enforcement officer, who is authorized to carry a firearm in the course and scope of the officer’s duties.
(3) An importer or manufacturer of ammunition or firearms who is licensed to engage in business pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and the regulations issued pursuant thereto.
(4) A person who is on the centralized list of exempted federal firearms licensees maintained by the Department of Justice pursuant to Article 6 (commencing with Section 28450) of Chapter 6 of Division 6.
(5) A person who is licensed as a collector of firearms pursuant to Chapter 44 (commencing with Section 921) of Title 18 of the United States Code and the regulations issued pursuant thereto, whose licensed premises are within this state, and who has a current certificate of eligibility issued by the Department of Justice pursuant to Section 26710.
(6) A person who acquired the ammunition from a spouse, registered domestic partner, or immediate family member as defined in Section 16720.
(c) A violation of this section is an infraction for any first time offense, and either an infraction or a misdemeanor for any subsequent offense.
Penal Code 30342
(a) Commencing January 1, 2018, a valid ammunition vendor license shall be required for any person, firm, corporation, or other business enterprise to sell more than 500 rounds of ammunition in any 30-day period.
(b) A violation of this section is a misdemeanor.