Cal. Code of Civil Procedure - CCP § 852. Section 852.
The court shall have continuing jurisdiction to modify or amend a final judgment in a comprehensive adjudication in response to new information, changed circumstances, the interests of justice, or to ensure that the criteria of subdivision (a) of Section 850 are met. If feasible, the judge who heard the original comprehensive adjudication shall preside over actions or motions to modify or amend the final
judgment.