California Code, Penal Code - PEN § 26325

(a) A retired peace officer, when notified of the revocation of the privilege to carry a concealed and loaded firearm, after the hearing, or upon forfeiting the right to a hearing, shall immediately surrender to the issuing agency the officer's identification certificate.

(b) The issuing agency shall reissue a new identification certificate without an endorsement.

(c) Notwithstanding subdivision (b), if the peace officer retired prior to January 1, 1981, and was at the time of retirement a peace officer listed in Section 830.1 or 830.2 or subdivision (c) of Section 830.5, the issuing agency shall stamp on the identification certificate “No CCW privilege.”