Cal. Penal Code § 4852.16

The certified copy of a certificate of rehabilitation transmitted to the Governor shall constitute an application for a full pardon upon receipt of which the Governor may, without any further investigation, issue a pardon to the person named therein, except that, pursuant to Section 8 of Article V of the Constitution, the Governor shall not grant a pardon to any person twice convicted of felony, except upon the written recommendation of a majority of the judges of the Supreme Court.