Cal. Penal Code § 25905

(a) (1) Any peace officer described in Section 25900 who has been honorably retired shall be issued an identification certificate by the law enforcement agency from which the officer has retired. (2) If the agency from which the officer has retired is no longer providing law enforcement services or the relevant governmental body is dissolved, the agency that subsequently provides law enforcement services for that jurisdiction shall issue the identification certificate to that peace officer. This paragraph shall apply only if the following conditions are met: (A) The successor agency is in possession of the retired officer’s complete personnel records or can otherwise verify the retired officer’s honorably retired status. (B) The retired officer is in compliance with all the requirements of the successor agency for the issuance of a retirement identification card and concealed weapon endorsement. (b) The issuing agency may charge a fee necessary to cover any reasonable expenses incurred by the agency in issuing certificates pursuant to Sections 25900, 25910, 25925, and this section. (c) Any officer, except an officer listed in Section 830.1 or 830.2, subdivision (a) of Section 830.33, or subdivision (c) of Section 830.5 who retired prior to January 1, 1981, shall have an endorsement on the identification certificate stating that the issuing agency approves the officer’s carrying of a loaded firearm. (d) An honorably retired peace officer listed in Section 830.1 or 830.2, subdivision (a) of Section 830.33, or subdivision (c) of Section 830.5 who retired prior to January 1, 1981, shall not be required to obtain an endorsement from the issuing agency to carry a loaded firearm.