California Code, Penal Code - PEN § 31610

(a) It is the intent of the Legislature in enacting this article to require that persons who obtain firearms have a basic familiarity with those firearms, including, but not limited to, the safe handling and storage of those firearms.  It is not the intent of the Legislature to require a firearm safety certificate for the mere possession of a firearm.

(b) This section shall become operative on January 1, 2015.