To initiate a partition action, the petitioner must file a complaint with the appropriate court that describes the property involved. This legal process involves selling the property as a whole and dividing the proceeds among the co-owners.You can fill out an online contact form or dial 516.246. 2449 to get started on your case with confidence and a powerful legal backing. How To Ask For Relief By Order To Show Cause Or Motion ; Order to Show Cause Procedure. Pdf ; Order to Show Cause Cover Sheet. 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. Partition actions serve as a legal mechanism to resolve disputes between co-owners when they cannot reach an agreement on the future of a property. Partition Addendum (840P) A fill-in-the-blanks RJI Partition Addendum. Uncontested Matrimonial RJI (UD-13) A fill-in-the-blanks Uncontested Matrimonial RJI.