What is the difference between a contested or uncontested divorce? This legally binding document is necessary for establishing specific conditions that. This marital settlement agreement (“agreement”) made this ________________, 20____, is an agreement to dissolve the marriage between: [index number] marriage settlement agreement. 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.