Web page 1 of 12. A new york marital settlement agreement is a divorce tool that helps two spouses come to a mutually beneficial agreement regarding the division of their assets, liabilities, properties, child custody, and child support. If you have any marital property, you will need to enter into a marital settlement agreement (aka stipulation of settlement). You and the person you want to divorce are over 18 years of age, Answers and settlement agreements 37 contents g e t t i n g s t a r t e d s t a y i n g o n t r a c k.