Mont. Code § 61-13-103 : MOTOR VEHICLES — SEATBELTS — MONTANA SEATBELT USE ACT —13-103 - Seatbelt use required -- exceptions TEXT PDF (1) A driver may not operate a motor vehicle upon a highway of the state of Montana unless each occupant of a designated seating position is wearing a properly adjusted and fastened seatbelt or, if 61-9-420 applies, is properly restrained in a child safety restraint. (2) The provisions of this section do not apply to: (a) an occupant of a motor vehicle who possesses a written statement from a licensed physician, licensed physician assistant, or advanced practice registered nurse, as defined in 37-8-102, that the occupant is unable to wear a seatbelt for medical reasons; (b) an occupant of a motor vehicle in which all seatbelts are being used by other occupants; (c) an operator of a motorcycle or a motor-driven cycle; (d) an occupant of a vehicle licensed as special mobile equipment; or (e) an occupant who makes frequent stops with a motor vehicle during official job duties and who may be exempted by the department. (3) The department or its agent may not require a driver who may be in violation of this section to stop except: (a) upon reasonable cause to believe that the driver has violated another traffic regulation or that the driver's vehicle is unsafe or not equipped as required by law; or (b) if a person in the vehicle who is under 6 years of age and weighs less than 60 pounds is not properly restrained under 61-9-420 or this section. § 61-13-103, MCA Amended by Laws 2019, Ch. 335,Sec. 21, eff. 5/7/2019. En. Sec. 3, Ch. 439, L. 1987; amd. Sec. 2, Ch. 407, L. 2003; amd. Sec. 234, Ch. 542, L. 2005; amd. Sec. 6, Ch. 242, L. 2007; amd. Sec. 3, Ch. 280, L. 2011.