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.Partition Addendum (840P) A fill-in-the-blanks RJI Partition Addendum. Uncontested Matrimonial RJI (UD-13) A fill-in-the-blanks Uncontested Matrimonial RJI. A partition action forces the sale of jointly owned real estate. Many people opt for a simple approach to dividing their assets when making their estate plans. These computer programs ask you questions. The program then uses your answers to make a form for your case or to make an information sheet to help you in court. Uniform partition of heirs property act. 1. The document is a partition agreement between two parties to terminate their community ownership of a parcel of land and divide it between them.