Montana Title 25. Civil Procedure § 25-7-222. Challenges to the array or panel

(1) A challenge to the array or panel may be made and the whole array or panel set aside by the court when the jury was not selected, drawn, summoned, or notified as prescribed by law. It is not a valid objection to a jury that it contains none of the jurors originally returned to the court or is only partially composed of such jurors.

(2) There can be only one challenge on a side to the array or panel, which may be made by one or more of the parties.