Law that provides for this.
2121. (a) In proceedings for dissolution of marriage, for nullityof marriage, or for legal separation of the parties, the court may,on any terms that may be just, relieve a spouse from a judgment, orany part or parts thereof, adjudicating support or division ofproperty, after the six-month time limit of Section 473 of the Codeof Civil Procedure has run, based on the grounds, and within the timelimits, provided in this chapter. (b) In all proceedings under this chapter, before granting relief,the court shall find that the facts alleged as the grounds forrelief materially affected the original outcome and that the movingparty would materially benefit from the granting of the relief.2122. The grounds and time limits for a motion to set aside ajudgment, or any part or parts thereof, are governed by this sectionand shall be one of the following: (a) Actual fraud where the defrauded party was kept in ignoranceor in some other manner was fraudulently prevented from fullyparticipating in the proceeding. An action or motion based on fraudshall be brought within one year after the date on which thecomplaining party either did discover, or should have discovered, thefraud. (b) Perjury. An action or motion based on perjury in thepreliminary or final declaration of disclosure, the waiver of thefinal declaration of disclosure, or in the current income and expensestatement shall be brought within one year after the date on whichthe complaining party either did discover, or should have discovered,the perjury. (c) Duress. An action or motion based upon duress shall be broughtwithin two years after the date of entry of judgment. (d) Mental incapacity. An action or motion based on mentalincapacity shall be brought within two years after the date of entryof judgment. (e) As to stipulated or uncontested judgments or that part of ajudgment stipulated to by the parties, mistake, either mutual orunilateral, whether mistake of law or mistake of fact. An action ormotion based on mistake shall be brought within one year after thedate of entry of judgment. (f) Failure to comply with the disclosure requirements of Chapter9 (commencing with Section 2100). An action or motion based onfailure to comply with the disclosure requirements shall be broughtwithin one year after the date on which the complaining party eitherdiscovered, or should have discovered, the failure to comply.2123. Notwithstanding any other provision of this chapter, or anyother law, a judgment may not be set aside simply because the courtfinds that it was inequitable when made, nor simply becausesubsequent circumstances caused the division of assets or liabilitiesto become inequitable, or the support to become inadequate.2124. The negligence of an attorney shall not be imputed to aclient to bar an order setting aside a judgment, unless the courtfinds that the client knew, or should have known, of the attorney'snegligence and unreasonably failed to protect himself or herself.2125. When ruling on an action or motion to set aside a judgment,the court shall set aside only those provisions materially affectedby the circumstances leading to the court's decision to grant relief.However, the court has discretion to set aside the entire judgment,if necessary, for equitable considerations.2126. As to assets or liabilities for which a judgment or part of ajudgment is set aside, the date of valuation shall be subject toequitable considerations. The court shall equally divide the asset orliability, unless the court finds upon good cause shown that theinterests of justice require an unequal division.