A marital property partition is an agreement between spouses that allows them to convert community property into the separate property of one spouse. Under the Texas Family Code, at any point in time, the spouses may exchange or partition their community property however they want.Discover everything you need to know about Texas separate property agreement forms in this engaging and comprehensive blog. A partition agreement divides, or partitions, a married couple's community estate into two separate estates. Details about spouses partitioning or exchanging community property between themselves are in the Texas Family Code section 4.102. Texas law also allows for postmarital agreements, which are property agreements made between already married parties. This page contains all of the Family Law court case forms that the Clerk's Office provides.