Penal Code § 16151

(a) As used in this part, commencing January 1, 2018, “ammunition vendor” means any person, firm, corporation, or other business enterprise that holds a current ammunition vendor license issued pursuant to Section 30385.

(b) Commencing January 1, 2018, a firearms dealer licensed pursuant to Sections 26700 to 26915, inclusive, shall automatically be deemed a licensed ammunition vendor, provided the dealer complies with the requirements of Articles 2 (commencing with Section 30300) and 3 (commencing with Section 30342) of Chapter 1 of Division 10 of Title 4.