Mont. Code Ann. § 72-40-110
Powers of trust director
72-40-110 . Powers of trust director. (1) Subject to 72-40-111 , the terms of a trust may grant a power of direction to a trust director.
(2) Unless the terms of a trust provide otherwise:
(a) a trust director may exercise any further power appropriate to the exercise or nonexercise of a power of direction granted to the director under subsection (1); and
(b) trust directors with joint powers shall act by majority decision.