Mont. Code Ann. § 10-1-203
(1) An officer of the national guard must be retired by order of the governor for the following reasons:
History: En. 77-1703 by Sec. 33, Ch. 94, L. 1974; R.C.M. 1947, 77-1703; amd. Sec. 1, Ch. 9, L. 1997.