Under the Texas Family Code, at any point in time, the spouses may exchange or partition their community property however they want. 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. Partition is the legal term referring to division of real property interests among co-owners (tenants in common). The spouses may partition or exchange between themselves all or part of their community property, then existing or to be acquired, as the spouses may desire. The Texas Family Code authorizes a "marital property agreement" between spouses.