(1) Whenever a civil action is called by the court for trial and a jury is required, the trial jury shall be impaneled as prescribed in Title 25, chapter 7, part 2, and Rule 47, M.R.Civ.P. (2) When the action is a criminal one, the jury shall be impaneled as prescribed in Title 46.
Manner Of Impaneling
Mont. Code Ann. § 3-15-509, under Trial Juries -- District Court.
Mont. Code Ann. § 3-15-509