CCP 1454     

Art. 1454.  Objections as to disqualification of officer; waiver

An objection to taking a deposition because of disqualification of the officer before whom it is to be taken is waived unless made before the taking of the deposition begins or as soon thereafter as the disqualification becomes known or could be discovered with reasonable diligence.

Acts 1976, No. 574, §1.