No person shall engage in the business of selling, transferring, advertising, offering, or exposing for sale or transfer any pistol, revolver or other firearm capable of being concealed upon the person unless he has been issued a license pursuant to the Cal. Penal Code § 12071, and this chapter of the Sierra County Code. As used in this chapter, engaging in the business of selling or transferring concealable firearms does not include the infrequent sale or transfer, offering, exposing for sale, or advertising for sale any handgun at a gun show, swap meet or similar event. (Ord. 769, eff. 3/21/91)