The foremost thing that you need to do is prove that the property is joint and ancestral. The agreement is valid if both parties have signed it.Also, what must be in the agreement is agreement, capacity, consideration, and intention. THIS DEED OF PARTIAL PARTITION is made on the ____ day of _____. BETWEEN It is required that the partition deed is executed on a stamp paper and registered with the sub-registrar's office. As a coowner you are entitled to seek partition and to demand demarcation and separate enjoyment of your share of the property, at any time. 1. Initial Contact: Submit a request in writing indicating your interest to partition. A partition agreement divides, or partitions, a married couple's community estate into two separate estates.