Cal. Penal Code § 1280b

It shall be the duty of the judge or magistrate to file with the clerk of the court, within 24 hours after presentation to him or her, all affidavits for the justification of bail, by delivering or mailing them to the clerk of the court. Certified copies of the affidavits for justification of bail involving equity in real property may upon the written order of the judge or magistrate be recorded with the county recorder.