Mont. Code Ann. § 61-9-302
Every motor vehicle, trailer, semitrailer, and pole trailer and combination of these vehicles, except special mobile equipment, must be equipped with service brakes complying with the performance requirements of 61-9-312 and adequate to control the movement of and to stop and hold the vehicle under all conditions of loading and on any grade incident to its operation.
History: En. Sec. 1, Ch. 139, L. 1965; R.C.M. 1947, 32-21-143.1(a); amd. Sec. 215, Ch. 542, L. 2005.