California Code, Penal Code - PEN § 27900

(a) The firearm at all times remains on the premises where the auction, raffle, or similar event occurs.

(b) The firearm is to be auctioned, raffled, or otherwise sold for the benefit of that nonprofit public benefit or mutual benefit corporation.

(c) The firearm, when sold or otherwise transferred, is delivered to a person licensed pursuant to, and operating in accordance with, Sections 26700 to 26915, inclusive, for sale or other transfer to the person who purchased or otherwise acquired ownership of the firearm.