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  • About FMCSA

    About FMCSA

    • Who We Are
    • Mission
    • Leadership
    • Speaker Request Form
    • Field Offices
    • Policy
    • Career Center
    • Contact Us

    Resources

    • Frequently Asked Questions
    • Grants
    • FMCSA Advisory Committees
    • Resources for State and Local Partners
    • Reports to Congress
    • National Training Center
    • Motor Carrier Safety Planner
    • Information Systems Overview
    • ITD
    • PRISM
    • FY 23 Affirmative Action Plan
    • Your Roads. Their Freedom. (Stop Human Trafficking)
  • Regulations

    Regulations, Rules, & Notices

    • FMCSA Guidance
    • Regulations and Interpretations
    • Rulemakings Documents
    • Federal Register Notices

    Enforcement

    • Adjudication Decisions
    • Civil Penalties
    • Uniform Fine Assessment

    Topics

    • Medical
    • National Registry of Certified Medical Examiners
    • Exemptions
    • Petitions for Rulemaking
    • Petitions for Reconsideration
    • Drug & Alcohol Testing
    • Hours of Service
    • New Entrant Safety Assurance Program
    • Electronic Logging Devices (ELD)
    • ADA Requirements for Over-the-Road Bus Companies
    • Cargo Securement
  • Registration

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    • Do I Need a USDOT Number?
    • Daily Register / Certificates / Letters
    • Learn About Registration Requirements
    • Registration Modernization Resources Hub

    Main Menu - Registration - Registration 2

    • Apply for a New USDOT Number and/or Authority
    • Update My USDOT Number and/or Authority
    • FMCSA Contact Center
  • CDL

    Commercial Driver's License

    • Licensing Overview and Resources
    • Military Driver Programs

    Main Menu - CDL - CDL 2

    • Safe Driver Apprenticeship Pilot (SDAP)
    • State Resources
  • Safety

    Main Menu - Safety -1

    • Passenger Carrier and Bus Safety
    • Our Roads, Our SafetyⓇ
    • Household Goods - Protect Your Move
    • Report a Violation
    • Company Safety Data
    • Certification

    Main Menu - Safety -2

    • International Safety
    • Hazardous Materials Safety
    • Driver Resources
    • Carrier Safety
    • Bicyclist and Pedestrian Safety
    • Coercion/Harassment
    • Crash Preventability Determination Program (CPDP)
  • Research

    Analysis, Research, & Technology

    • Overview
    • Tech-Celerate Now
    • Crash Causal Factors Program (CCFP)
    • Active Research Projects
    • Reports and Publications

    Data and Statistics

    • Safety Progress Report
    • Pocket Guide to Large Truck and Bus Statistics
    • Large Truck and Bus Crash Facts
  • News

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View FAQ's by Topic

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Non-Registration FAQ'sNon-Registration
What is a supporting company?

A supporting company is a blanket company, financial responsibility filer, transportation service provider, or business that identifies as any combination of the three. Blanket companies, or BOC-3 filers, provide blanket designation of process agents electronically for motor carriers, brokers, and freight forwarders. They designate process agents in all U.S. States and the District of Columbia. Financial responsibility filers are insurance companies, surety companies, or financial institutions that register with FMCSA to file proof of insurance (i.e., BMC-91, BMC-91X, BMC-85) for entities applying for operating authority. Transportation service providers assist individuals or companies applying for and/or maintaining their FMCSA registration (USDOT Number or operating authority registration, biennial updates, reinstatements, etc.).

Last Updated: May 22, 2026

Will I be able to access my historical records in legacy systems?

While the tools you use to update information are changing, your history is safe. Existing L&I and FMCSA Portal records will remain available for viewing and verification. This transition is about improving where you work, not eliminating your historical records. We will communicate ahead of time when we plan to migrate the historical information into your Motus account.

Last Updated: May 22, 2026

Who can I contact if I have questions or feedback?

Email us at NewRegSys@dot.gov if you have questions or need additional information about the new registration system or the changes coming to FMCSA registration. Please note that this email account is intended to gather feedback regarding registration modernization. For inquiries not related to registration modernization or any issues that need immediate attention regarding FMCSA registration, please contact the FMCSA Registration Customer Service Center.

Last Updated: May 22, 2026

Will transportation service providers be vetted by FMCSA before being authorized to work with registrants?

While FMCSA does not have a separate vetting process for transportation service providers, all service providers will be required to create user profiles and company accounts and complete identity verification to access the new registration system. Registrants will be required to designate a service provider, and the provider must accept the designation before receiving access to any registrant’s company account. This process ensures that only authorized parties can access an entity’s company information after receiving the entity’s permission.

Last Updated: May 22, 2026

Has FMCSA solicited feedback on the new registration system from transportation service providers given their role in helping registrants?

Yes. All feedback is important and is used to inform FMCSA’s decision making. Valuable feedback was received from the industry, including transportation service providers, at Stakeholder Days in January, May, and October 2024. Feedback can be also shared via email at NewRegSys@dot.gov

Last Updated: May 22, 2026

Will transportation service providers be able to start the registration application process on behalf of a registrant?

When the new registration system is released to all users, new registrants will be required to start the application process and complete certain required information, including identity and business verification checks, before designating a transportation service provider to complete actions within the registration system on their behalf. The system will notify the service provider to confirm their relationship with the registrant. Once the transportation service provider has accepted the designation from the registrant, they will be able to complete actions on the registrant’s behalf in the registration system, including completing data entry for an application for registration. Note that the registrant (company official) will also need to review the transportation service provider’s entries and submit final oaths and certifications to complete a new application.

Last Updated: May 22, 2026

What will transportation service providers have to do when the new registration system is released?

Prior to launch of the new registration system, transportation service providers will be able to use their Login.gov accounts to access the system and proceed through the identity verification process to set up their user profiles and accounts. Both the Login.gov and identity verification process work in tandem to limit system access to authorized users and to secure FMCSA data. The Login.gov process authenticates the email that is used to create the account in the new registration system while the identity verification service confirms the identity of the individual creating the account using an acceptable form of identification. Once the required system checks have passed, the service provider can finish completing their registration system user profile and add client information to their account. After the service provider account is established in the new registration system, regulated entities will have the ability to authorize the service provider to assist in their registration. The new system will require regulated entities to review and submit data entry completed by service providers before FMCSA will begin processing any registration requests.

Last Updated: May 22, 2026

What will financial responsibility filers need to set up a company account?

To create a company account for a financial responsibility filer, the main account holder will need full access to company information, including identifying numbers (e.g., NAIC, FDIC, State License Number, EIN), and a copy of your eligibility documents (e.g., State insurance license, banking certificate, or Federal/State charter). This must be submitted as a PDF file and must be a copy of the original document, not a screenshot or screen capture of a web page. This documentation verifies your institution’s eligibility to act as a financial responsibility filer with the FMCSA. Failure to provide adequate supporting documentation may result in processing delays. Be sure to claim your Licensing and Insurance (L&I) filer account during account creation as well, which will link your existing L&I filings to your account when Motus opens for filings. For more information on how to complete these actions, see the Motus Supporting Company Job Aid.

Last Updated: May 22, 2026

What will financial responsibility filers be able to do in Motus: USDOT Registration System during the limited access period beginning December 2025?

During the early limited access period, financial responsibility filers will only be able to create user profiles and company accounts and add and manage company users. Financial responsibility filers must continue to use the FMCSA Portal/L&I to submit and manage insurance, surety, and financial-related filings. Please also keep business information and billing information updated in both FMCSA’s current L&I system and in Motus during this period.

Last Updated: May 22, 2026

Will financial responsibility filers (insurance companies and financial institutions) use the new registration system?

Yes, insurance companies and financial institutions will be able to use the new system to submit the required financial responsibility filings, similar to the way they are electronically filed today.

Last Updated: May 22, 2026

How can I link my existing L&I filer account to my company account in Motus: USDOT Registration System?

During company account creation in Motus, the main account holder will be able to claim an existing L&I Filer Account by entering the filer number and branch number (if any). For more information on how to complete this process, please see the Motus Supporting Company Job Aid. Completing this action now will ensure that your existing financial responsibility filings are successfully linked and displayed in Motus when it launches for all users in 2026.

Last Updated: May 22, 2026

Can process agent information be updated in the new system?

Yes, beginning in December 2025, blanket companies can update their process agent information directly through their Motus company account. For more information on how to complete this process, please see the Motus Supporting Company Job Aid.

Last Updated: May 22, 2026

What can supporting companies do in Motus: USDOT Registration System during the early limited access period beginning in December 2025?

Supporting companies will have early limited access to Motus to create user profiles and company accounts and manage user access. During the early limited access period, supporting companies must continue to use the FMCSA Portal/L&I to make BOC-3, insurance, surety, and financial-related filings and/or assist with motor carrier registration and updates until these functionalities are introduced in Motus. Please also keep business information (billing information, process agent listings, etc.) updated in both FMCSA’s current L&I system and in Motus until further notice.

Last Updated: May 22, 2026

Will my company get a new filer number in the new registration system?

Each supporting company, including transportation service providers, will be issued a new, unique filer number during company account creation that identifies all of that company’s capabilities in the new system (e.g., filing BOC-3 forms and submitting insurance filings). This will allow the company to view and manage all filings via one account when the system fully launches.
During company account creation in Motus: USDOT Registration System, blanket companies and financial responsibility filers will be able to claim their existing Licensing and Insurance (L&I) filer account to link existing L&I filings to the new company account with the new filer number. The new filer number will not be used to make filings until the new system fully launches in 2026.

Last Updated: May 22, 2026

Can I update the business or billing information that was entered during company account creation in Motus: USDOT Registration System?

During the early limited access period for supporting companies, any updates to a company’s business or billing information must be requested by contacting FMCSAInsurance@dot.gov. The ability to update this information in Motus will be added in a future release.

Last Updated: May 22, 2026

What will blanket companies be able to do in Motus: USDOT Registration System during the limited access period beginning December 2025?

During the early limited access period, blanket companies will only be able to create user profiles and company accounts, add and manage process agent information, and add and manage company users. Blanket companies must continue to use the FMCSA Portal/L&I to make BOC-3 filings. Please also keep business information and process agent listings updated in both FMCSA’s current L&I system and in Motus during this period.

Last Updated: May 22, 2026

What will blanket companies be able to do when the new system fully launches in 2026?

Blanket companies will be able to manage their company account (including editing process agent information), view current filing information, and submit and cancel BOC-3 filings in Motus when the system launches for all customers.

Last Updated: May 22, 2026

What will blanket companies need to set up a company account?

To create a company account for a blanket company, the main account holder will need full access to company information, including process agent information (name, address, phone number, email). Be sure to claim your Licensing and Insurance (L&I) filer account during account creation (this will link your existing L&I filings to your account when Motus opens for filings).

Last Updated: May 22, 2026

If FMCSA stops issuing MC Numbers, will existing MC Numbers be replaced by USDOT Numbers?

No. If FMCSA stops issuing MC Numbers, existing MC Numbers will not be replaced by USDOT Numbers. The Moving Ahead for Progress in the 21st Century Act (P.L. 112-141) (MAP-21) requires all FMCSA regulated entities to have a USDOT Number. To comply with MAP-21, FMCSA began assigning USDOT Numbers to brokers, freight forwarders, and motor carriers who operate non-commercial motor vehicles and did not already hold a USDOT Number. Motor Carrier Docket Numbers (MC Numbers) were never a statutory or regulatory requirement. Historically, MC Numbers were used by FMCSA to track proceedings related to a single operating authority registration and not to identify a specific person, employer, operator, motor carrier, broker, or freight forwarder. The need for separate tracking numbers for each type of registration became unnecessary when all operating authorities became nationwide, with the elimination of route-specific and common or contract authorities, and with the newer requirement for all regulated entities to hold a USDOT Number. Rather than being replaced by USDOT Numbers, FMCSA is considering phasing out MC Numbers. Specific types of operating authority registration would instead be indicated by a suffix to the USDOT Number for each type an entity may hold.

Last Updated: May 21, 2026

Can a registrant have multiple suffixes after their USDOT Number?
  • Yes, a registrant may have multiple suffixes after their USDOT Number to identify specific registrations they hold. An entity with multiple operating authorities will have more than one suffix reflected in FMCSA systems. Suffixes would not be required for marking commercial motor vehicles but would be required by statute for identification on documents for business transactions involving freight forwarders, brokers, or motor carriers (for-hire non-exempt carriers). Here are some examples of how multiple suffixes may be displayed:
    • Property Carrier: USDOT Number 1234567C
    • Property Carrier + Household Goods: USDOT Number 1234567CH
    • Property Carrier + Freight Forwarder: USDOT Number 1234567CF
    • Broker: USDOT Number 1234567B
examples of suffixes on usdot numbers

Last Updated: May 21, 2026

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U.S. DEPARTMENT OF TRANSPORTATION

Federal Motor Carrier Safety Administration

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

1-800-832-5660

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