California Code, Family Code - FAM § 1813

(a) The presiding judge of the superior court may appoint a judge of the superior court other than the judge of the family conciliation court to act as judge of the family conciliation court during any period when the judge of the family conciliation court is on vacation, absent, or for any reason unable to perform the duties as judge of the family conciliation court.

(b) The judge appointed under subdivision (a) has all of the powers and authority of a judge of the family conciliation court in cases under this part.