California Code, Penal Code - PEN § 26310

(a) Issuance of an identification certificate authorizing the officer to carry a concealed and loaded firearm or an endorsement may be denied prior to a hearing.

(b) If a hearing is not conducted prior to the denial of an endorsement, a retired peace officer, within 15 days of the denial, shall have the right to request a hearing.  A retired peace officer who fails to request a hearing pursuant to this section shall forfeit the right to a hearing.