Yes, you can amend a marital settlement, with both parties agreeing.
To initiate the modification process, you must file a petition to modify with the court that issued the original divorce decree. The petition must state the reasons for the modification and the changes you are requesting.
A divorce decree could be invalid if a judge's decisions were based on incorrect information or if the judge made errors affecting the outcome. If one party concealed assets or debts from the other, that could be grounds for appeal or modification.
Once the divorce decree is finalized, the unhappy party has some options left to change the agreement. He or she can petition the court to have the case reopened. This is difficult to do, though. If the circumstances of one of the parties have changed, then this may happen.
What is a Default Divorce in California? If due diligence fails and the spouse successfully avoids the attempts to serve the papers, the process moves into a default divorce process.