When two or more people own the same property, one of the owners CAN force a sale of the jointly owned property via a partition action or lawsuit. This is a document through which the parties agree that particular property will be "separate property" and will not be divided.This publication explains tax rules that apply if you are divorced or separated from your spouse. It is legal for any state to partition itself into as many states as it wants, as long as Congress agrees. Travels in Europe, Viz.