Montana Title 25. Civil Procedure § 25-5-203. Defendants--adverse claims to real property

In an action brought by a person out of possession of real property to determine an adverse claim of an interest or estate in the property, the person making the adverse claim and the persons in possession may be joined as defendants, and if the judgment is for the plaintiff, the plaintiff may have a writ for the possession of the premises as against the defendants in the action against whom the judgment has passed.