Motor Carrier Services Division
Motor Carrier Services Contacts
PO Box 4639
Helena, MT 59604-4639
Hours: 7:30 a.m. to 5:00 p.m. Mountain Time, Monday – Friday (except Holidays)
For general Permit questions, use the following email:
32J Permit Application Submittals and 32J questions, use the following email address:
IRP Customers, use the following email address for IRP document submittal.
To our Carriers and Third-Party online accounts for ePART. Send an email to or call 406-444-7638 to request a password reset or to report a change in your Email Address.
- Please be sure to include in the email, your Company Name, USDOT Number, Account Number, and email address.
- Make sure that you have some sort of identification in your signature template area on your email for MDT's confirmation.
- For your protection, we deactivate accounts with invalid email addresses.
The Motor Carrier Services Division (MCS) protects Montana's and the Federal Government's investment in Montana's highway system and ensures the safety of the traveling public through uniform regulation of the commercial motor carrier industry and enforcement of all state and federal commercial motor carrier laws, rules, and regulations.
- The Enforcement Bureau is comprised of Montana Peace officers.
- Enforcement Bureau officers protect Montana's highway system and ensure the safety of the traveling public through the service-oriented enforcement of State and Federal commercial and agricultural vehicle and vehicle-driver laws, rules, and regulations.
- MCS officers work in weigh station facilities across the state and on the open road using enforcement vehicles equipped with various devices to assist in their jobs.
- Other EB responsibilities include fuel tax evasion investigation, livestock brand inspection, and render assistance to other law enforcement agencies.
Enforcement Bureau Chief
Commercial Vehicle Operations Bureau
Licensing and Permitting Section
The Licensing and Permitting Section offer services to the commercial motor carrier industry that are required by the industry to operate legally in the State of Montana.
- International Registration Plan (IRP): requires that member jurisdictions operate under uniform commercial vehicle registration and licensing procedures.
- International Fuel Tax Agreement (IFTA): is a tax collection agreement by and among the 48 contiguous States and 10 Canadian Provinces which allows for the uniform administration of motor fuels use taxation laws with respect to qualified motor vehicles operated in more than one-member jurisdiction.
- Unified Carrier Registration (UCR) program: UCR requires individuals and companies that operate commercial motor vehicles in interstate or international commerce to register their business with Montana and pay an annual fee based on the size of their fleet.
- Heavy Vehicle Use Tax (HVUT) program: whereby Montana-based carriers are monitored and certified compliant by the state with Federal commercial vehicle weight tax requirements.
- Permit Services: for carriers who wish to travel on Montana's highways but whose vehicles are noncompliant with size and/or weight.
- The Operations Section manages Montana's ITD, ITS/CVO and MCSAP programs.
- Oversees, coordinates, and maintains the development, deployment and maintenance of the Division's information technology and other high technology infrastructure.
- Provides statewide MCS purchasing, contract development, and financial, revenue and budget support.
- Collects, analyses and reports data and information regarding the division's activities to support management of MCS.
- Manages participation in any MDT, regional, national, or international projects involving MCS.
- The Operations Section is responsible for collecting, assimilating, analyzing, and reporting of data, information and statistics required by the Federal Highway's Administration (FHWA) for Montana's Commercial Vehicle Size and Weight Enforcement Plan and Certification. Montana's Commercial Vehicle Size and Weight program requires certification, in this case by FHWA to be eligible for full construction funds.
- The Operations Section is responsible for developing the annual MCSAP Commercial Vehicle Safety Plan and certification documentation, including the program's budget, and delivering the program to meet the MCSAP requirements as required under Code of Federal Regulations (CFR), Title 49. Execution and delivering of an acceptable MCSAP program are required for Montana to maintain eligibility for full highway construction funding.
Commercial Vehicle Operations Bureau Chief
Motor Carrier Safety Assistance Program (MCSAP)
- The goal of MCSAP is to reduce CMV-involved accidents, fatalities, and injuries through consistent, uniform, and effective CMV safety programs.
- The MCSAP Section provides USDOT numbers for Montana intrastate carriers.
- Provides information to Montana's motor carriers on how to comply with Montana and Federal Motor Carrier Safety Regulations and Hazardous Materials Regulations.
- Performs compliance reviews and safety audits.