California Code, Code of Civil Procedure - CCP § 170.8

When there is no judge of a court qualified to hear an action or proceeding, the clerk shall forthwith notify the Chairman of the Judicial Council of that fact. The judge assigned by the Chairman of the Judicial Council shall hear the action or proceeding at the time fixed therefor or, if no time has been fixed or good cause appears for changing the time theretofore fixed, the judge shall fix a time for hearing in accordance with law and rules and hear the action or proceeding at the time so fixed.