This is a document through which the parties agree that particular property will be "separate property" and will not be divided. A partition agreement divides, or partitions, a married couple's community estate into two separate estates.A marital property partition is an agreement between spouses that allows them to convert community property into the separate property of one spouse. Edit, sign, and share texas partition and exchange agreement form online. The lien represents an owelty of partition and the necessary adjustment between the parties to carry out the purposes of the partition.