Public Resource Page

Forms & Downloads

Starter page for future forms, checklists, and downloadable resources.

The Forms Carriers Actually Deal With

FMCSA registration and compliance run on a handful of numbered forms — most carriers only ever touch four or five of them. Historically these were paper forms; FMCSA has been moving registration processing onto electronic filing and a newer online platform that is gradually replacing older paper-based forms and the Unified Registration System. The form names below are still the ones you'll see referenced in regulations, industry guidance, and FMCSA's own site, so it's worth knowing what each one does even as the filing method changes. Always confirm the current filing method and any fees at FMCSA's own registration pages before you file.

Common FMCSA Forms

Form	Purpose	Where to File
MCS-150	Motor Carrier Identification Report. Used to get a USDOT number's information on file and to complete the required biennial (every 24-month) update of that data.	FMCSA MCS-150 form page
MCS-150B	Combined Motor Carrier Identification Report and Hazardous Materials Safety Permit application, for carriers that also need an HM safety permit.	FMCSA Registration Forms hub
OP-1 (and OP-series)	Application for operating authority (motor carrier, broker, freight forwarder, or passenger authority, depending on the variant). Existing registrants use OP-series forms to add authorities; first-time applicants generally register through FMCSA's online registration system instead.	FMCSA OP-1 form page
BOC-3	Designation of Agents for Service of Process — names a legal agent in every state where the carrier operates or maintains an office, so the carrier can be properly served with legal and enforcement documents. Required before operating authority is granted.	FMCSA BOC-3 form page
BMC-91 / BMC-91X	Certificate of insurance for public liability (bodily injury & property damage) coverage, filed to prove financial responsibility. FMCSA does not supply these forms — your insurance company files them electronically on your behalf.	FMCSA: forms required for insurance
MCS-90	Endorsement attached to a carrier's liability insurance policy that guarantees payment to the public for judgments even if the underlying policy has coverage gaps, as required by the Motor Carrier Act.	FMCSA Registration Forms hub
MCSA-5889	Motor Carrier Records Change Form, used for certain changes to a carrier's name or address information on file.	FMCSA Registration Forms hub

How Filing Actually Works

Most of these filings are no longer simple downloadable PDFs you mail in. Insurance forms (BMC-91/91X) are filed electronically by your insurance company, not by you. BOC-3 designations are filed by a process agent on a carrier's behalf. Operating authority applications go through FMCSA's online registration system, and biennial MCS-150 updates are normally done through the FMCSA Portal rather than on paper. FMCSA has also been rolling out a newer registration platform and phasing out older paper transactions, so the exact submission channel for any given form can change — the safest move is to start at FMCSA's own registration page rather than a third-party form mirror.

FMCSA Registration (fmcsa.dot.gov/registration)

Frequently Asked

Can I file BMC-91 or BMC-91X myself?

No. FMCSA requires these insurance certificates to be filed directly by your insurance company (or its filing agent), not by the carrier or broker. Your job is to make sure your insurer actually has them on file with FMCSA — coverage that isn't filed doesn't count toward keeping your authority active.

Is there a fee to file OP-1 or add operating authority?

Yes, FMCSA charges a per-authority filing fee for OP-series applications. Fee amounts can change, so confirm the current fee on FMCSA's registration pages before you submit.

Do I need a BOC-3 before I can operate?

Yes. FMCSA will not grant operating authority until a valid BOC-3 process agent designation is on file covering every state where you operate or maintain an office. If your process agent relationship ever lapses, FMCSA can suspend your operating authority until a new BOC-3 is filed.

How often do I have to update my MCS-150?

Every 24 months (the "biennial update"), on a schedule tied to your USDOT number's last two digits. You must update even if nothing has changed or you've stopped operating — missing the update can get your USDOT number deactivated and can carry civil penalties.

Where can I find the full, current list of FMCSA forms?

FMCSA maintains a Registration Forms hub with the current, official versions of every form and any updates to how they're filed — that's the page to bookmark rather than a saved PDF, since forms and filing channels get revised.

Free Resources

Registration Forms FMCSA
FMCSA's official index of registration and licensing forms, including USDOT number, operating authority, and BOC-3.