California Code, Penal Code - PEN § 25475

(a) An honorably retired peace officer who is listed in subdivision (c) of Section 830.5 and authorized to carry a concealed firearm by this article shall meet the training requirements of Section 832 and shall qualify with the firearm at least annually.

(b) The individual retired peace officer shall be responsible for maintaining eligibility to carry a concealed firearm.

(c) The Department of Justice shall provide subsequent arrest notification pursuant to Section 11105.2 regarding honorably retired peace officers listed in subdivision (c) of Section 830.5 to the agency from which the officer has retired.