Preliminary Provisions — California Penal Code — Definitions — "Vendor" defined Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session As used in Article 3 (commencing with Section 30345) of Chapter 1 of Division 10 of Title 4, "vendor" means a handgun ammunition vendor. Ca. Pen. Code § 17315 Added by Stats 2010 ch 711 (SB 1080),s 6, eff. 1/1/2011, op. 1/1/2012.