How do I file my Separation Agreement? 65, Per page Certification of Agreement Decree (min.The court has placed the most commonly used forms on line as a resource. Please be advised that the forms detailed below are intended to be a guide. Generally, to be separated in Nassau and Suffolk counties in New York, married persons must become parties to a "separation agreement. Once you go to that page, simply click the green box beside "Do It Yourself. Divorce" or click the heading itself, and it will take you to the LawHelp. Our family law and divorce law firm can help you agree on your marital property division, child custody, visitation rights, and other family law concerns. II have a question regarding contract law. I contracted an accountant to complete a partition document from a divorce. img. logo. Ray.