Minnesota Statutes Transportation (Ch. 160-174A) § 168.185. USDOT numbers

(a) Except as provided in paragraph (d), an owner of a truck or truck-tractor having a gross vehicle weight of more than 10,000 pounds, as defined in section 169.011, subdivision 32, shall report to the commissioner at the time of registration its USDOT carrier number. A person subject to this paragraph who does not have a USDOT number shall apply for the number at the time of registration by completing a form MCS-150 Motor Carrier Identification Report, issued by the Federal Motor Carrier Safety Administration, or comparable document as determined by the commissioner. The commissioner shall not assign a USDOT carrier number to a vehicle owner who is not subject to this paragraph.

(b) Assigned USDOT numbers must be displayed as required by section 221.031, subdivision 6. The vehicle owner shall notify the commissioner if there is a change to the owner's USDOT number.

(c) If an owner fails to report or apply for a USDOT number, the commissioner shall suspend the owner's registration.

(d) This section does not apply to (1) a farm truck that is not used in interstate commerce, (2) a vehicle that is not used in intrastate commerce or interstate commerce, or (3) a vehicle that is owned and used solely in the transaction of official business by the federal government, the state, or any political subdivision.