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.Settle a divided property dispute with a partition action and the help of our Massapequa real estate attorney. Call today to schedule a case evaluation. When two or more owners cannot agree on the disposition of the property in question, any of the owners can file a partition action in the appropriate court. Alternatively, co-owners can choose to sell the property voluntarily without going to court, provided they have a well-drafted settlement agreement in place. Generally, to be separated in Nassau and Suffolk counties in New York, married persons must become parties to a "separation agreement. Partition Addendum (840P) A fill-in-the-blanks RJI Partition Addendum. Uncontested Matrimonial RJI (UD-13) A fill-in-the-blanks Uncontested Matrimonial RJI.