61-5-102. Drivers to be licensed -- penalties. (1) (a) Except as provided in 61-5-104, a person may not drive a motor vehicle upon a highway in this state unless the person has a valid Montana driver's license. A person may not receive a Montana driver's license until the person surrenders to the department all valid driver's licenses issued by any other jurisdiction. A person may not have in the person's possession or under the person's control more than one valid Montana driver's license at any time.
(b) Except as provided in subsection (1)(c), the penalty for a first violation of this section is a fine of not more than $500, imprisonment for not more than 6 months, or both a fine and imprisonment. The penalty for second and subsequent violations of this section is a fine of not more than $500 and imprisonment for not less than 2 days or more than 6 months.
(c) A person who is eligible to hold a driver's license and has obtained a valid driver's license but has not renewed the license as provided in 61-5-111(3)(c) is not subject to the penalties in subsection (1)(b).
(2) (a) (i) Except as provided in subsection (2)(a)(ii), a license is not valid for the operation of a motorcycle unless the holder of the license has completed the requirements of 61-5-110 and the license has been clearly marked with the words "motorcycle endorsement".
(ii) A motorcycle endorsement is not required for the operation of a low-speed electric vehicle or a motorcycle that is propelled by an electric motor or other device that transforms stored electrical energy into the motion of the vehicle, has a fully enclosed cab, is equipped with three wheels in contact with the ground, and is equipped with a seat and seatbelts.
(b) A license is not valid for the operation of a commercial motor vehicle unless the holder of the license has completed the requirements of 61-5-110, the license has been clearly marked with the words "commercial driver's license", and the license bears the proper endorsement for:
(i) the specific vehicle type or types being operated; or
(ii) the passengers or type or types of cargo being transported.
(3) A low-speed restricted driver's license is not valid for the operation of a motor vehicle other than a low-speed electric vehicle or a golf cart.
(4) When a city or town requires a licensed driver to obtain a local driving license or permit, a license or permit may not be issued unless the applicant presents a state driver's license valid under the provisions of this chapter.