The new york state unified court system (www.nycourts.gov) and the internal revenue service. If you and your spouse decide to get divorced, and you can agree on issues such as property rights, spousal and child support obligations, and custody and visitation arrangements, then you may want to enter into a. Web a divorce settlement agreement, also known as a marital settlement agreement (msa) or separation agreement, is a legally binding contract that outlines the terms and conditions of a divorce or legal separation between a married couple. Although the document is legally binding, and in the case of uncontested divorce you likely agreed to all these terms, you may want these terms changed in the future. Web in the case.