CALIFORNIA FAMILY LAW
...Procedure Before Trial/Hearing
......Judicial Officers/Referees/Masters
.........Peremptory Challenge
............Effect of Challenge
2 Cards On This Topic:

Disqualification of a judge pursuant to CCP §170.6 does not require the invalidation of previous orders, as does §170.3.

Once peremptory challenge properly made, judge immediately loses jurisdiction to take any further action in case.