We have provided free online forms for partition actions that should only be used in conjunction with a partition attorney in California. The document is a partition agreement between two parties to terminate their community ownership of a parcel of land and divide it between them.First Step of Partition: Filing a Complaint​​ The first step to a partition action is to petition the court for a partition of the property. Sample Partition Agreement - Free download as Word Doc (. ANAND LAW represents co-owners of real estate in partition actions in San Jose, and throughout California. In a partition lawsuit, there are generally four different steps. First, the court determines each party's ownership interests. Fill out and file form DE-221 explaining why the property belongs or should legally pass to the surviving spouse and describing the property.