A: Make a list of each issue you want to modify and how you want to change it. You can prepare a Stipulation with the modifications made, have both parties sign it and then submit it to the court for an order. It is wise to have an attorney review the changes first to o make sure neither one of you overlooked some important issue, and also to put the document in the the proper legal format.
A: Typically remarriage by the supported spouse is an occurrence that terminates support. If that provision is in your Judgment you do not need to file anything with the court to stop paying. You can discontinue the payments. Carefully review the order before you do anything.