Who Must File UCR in Montana?

Jan. 15, 2026, 10:19 a.m.
You must file UCR (Unified Carrier Registration) in Montana if you operate a commercial motor vehicle in interstate commerce and fall into one of the categories below.
UCR in Montana

You MUST file UCR in Montana if you are:

Motor Carriers (For-Hire or Private)

  • Operate across state lines

  • Transport property or passengers

  • Use vehicles that:

    • Have a GVW or GVWR of 10,001 lbs or more, or

    • Have 3 or more axles, or

    • Transport placarded hazardous materials


Owner-Operators

  • Operating under your own authority or leased to another carrier

  • Engaged in interstate commerce

  • Even one truck = UCR required


Passenger Carriers

  • Transport passengers interstate

  • Includes charter buses, vans, and private carriers for compensation or business use


Brokers, Freight Forwarders & Leasing Companies

You must file UCR even if you do not own trucks, if you are:

  • A freight broker

  • A freight forwarder

  • A motor carrier leasing company

  • Operating under an active USDOT or MC number


 Who Does NOT Need to File UCR?

You generally do not need UCR if:

  • You operate strictly intrastate within Montana

  • Your vehicles are under 10,001 lbs, non-placarded, and non-commercial

  • You operate farm vehicles or qualify for specific exemptions

Important: If you ever cross state lines, even once, UCR becomes mandatory.


 Key Things to Know

  • UCR is required annually

  • Fees are based on the number of vehicles

  • UCR is separate from IRP, IFTA, and DOT registration

  • Enforcement can happen during roadside inspections or audits


 Pro Tip

If you have a USDOT number and operate interstate, assume UCR is required unless you clearly qualify for an exemption.

 UCR in Montana