California Code, Penal Code - PEN § 1276

(a) A bail bond or undertaking of bail of an admitted surety insurer shall be accepted or approved by a court or magistrate without further acknowledgment if executed by a licensed bail agent of the insurer under penalty of perjury and issued in the name of the insurer by a person authorized to do so by an unrevoked power of attorney on file in the office of the clerk of the county in which the court or magistrate is located.

(b) One person may both execute and issue the bail bond or undertaking of bail if qualified as provided in this section.