Montana Title 61. Motor Vehicles § 61-8-803. Suspension of commercial driver's license--serious traffic violations

(a) for 60 days upon receipt of notice of the second conviction; or

(b) for 120 days upon receipt of notice of the third or subsequent conviction.

(a) speeding 15 or more miles an hour above a posted speed limit;

(b) reckless driving, reckless endangerment of a highway worker, or reckless endangerment of emergency personnel;

(c) improper or erratic traffic lane changes;

(d) following too closely;

(e) a violation of a state law or local ordinance relating to the operation of a motor vehicle, excluding a parking, weight, or equipment violation, that arises in connection with a fatal accident;

(f) operating a commercial motor vehicle without a commercial driver's license;

(g) operating a commercial motor vehicle without a commercial driver's license in one's possession or refusing to display a commercial driver's license upon request;

(h) operating a commercial motor vehicle without the proper class of commercial driver's license or endorsements, or both, for the specific vehicle type or types being operated or for the passengers or type or types of cargo being transported; or

(i) using a mobile device to send text messages while operating a commercial motor vehicle in violation of a state or local law or ordinance on motor vehicle traffic control.