SEARCHABLE FORMS LIBRARY FMCSA Registration Forms Library Every FMCSA form. One place. Plain English. 18+ forms Live search Free downloads PRODUCED BY DOTMOTUSCOMPLIANCE INC. · UPDATED 2026 OP-1 BOC-3 MCS-150 FORM Motor Carrier Identification Report DOWNLOAD PDF

FMCSA Registration Forms Library: Complete 2026 Guide for Motor Carriers, Brokers & Freight Forwarders

Last updated: 2026 · Produced by DotMotusCompliance Inc.

Quick summary: Confused about which FMCSA form you need? This guide has every registration form in one place — with detailed information about who needs each form, why it’s required, and when to file it. Browse by category, use your browser’s search (Ctrl+F) to find any form code, or click “View Official Form” to see the actual FMCSA document. Need help filing? We handle it for you.

Why FMCSA Forms Are Confusing (And How This Guide Helps)

FMCSA has more than a dozen registration forms with cryptic names like MCS-150B, OP-1(MX), and BMC-85. They serve different purposes — some you fill yourself, some your insurance company files for you, some require notarization. Picking the wrong one can mean wasted time and weeks of delay.

This guide helps in four ways:

  • Every form is shown below, organized by category so you can browse to your situation
  • Each form has detailed “Who needs it,” “Why you need it,” and “When to file” sections
  • Direct link to view the official FMCSA form on every card
  • Don’t have time to figure it out yourself? Call (307) 200-8338 and we’ll handle the filing for you

⚠️ Important 2026 update: Most online updates to FMCSA Registration accounts now require Multi-Factor Authentication, which has changed the filing process significantly. Paper forms are still accepted — but expect a minimum of 8 business days for review and processing. If you’d rather skip the complexity entirely, call DotMotusCompliance at (307) 200-8338 and we’ll handle the entire process on your behalf.

📂 Complete FMCSA Forms Library — 18 Forms by Category

All 18 FMCSA registration forms organized by category, with full details on who needs each one, why it’s required, and when to file. Tip: press Ctrl+F (Cmd+F on Mac) to instantly search by form code or keyword.

FMCSA Registration Forms — 18 Total

Browse by category. Click “Get help filing” for one-click assistance, or “View official form” to see the FMCSA document.

📄

Identification (3 forms)

USDOT identification reports and biennial update forms. Every motor carrier, IEP, and hazmat carrier needs one of these.

FORM MCS-150
Identification

Motor Carrier Identification Report

The core form for getting or updating your USDOT Number. Also used for the biennial update every two years that every carrier must file.

👥 Who needs this form
Every interstate motor carrier — property haulers, passenger carriers, and anyone holding a USDOT Number.
🎯 Why you need it
Federal regulation 49 CFR 390.19 requires every motor carrier to identify themselves with FMCSA and update their records every two years. Without an active MCS-150 filing, your USDOT Number can be deactivated and you’ll be unable to operate legally in interstate commerce.
📅 When to file
When applying for a new USDOT Number, and every two years thereafter based on your USDOT’s assigned biennial schedule (calculated from the last two digits of your USDOT).
FORM MCS-150B
Identification

Combined Motor Carrier Identification & HM Safety Permit Application

Combined form for motor carriers that also transport hazardous materials. Use this instead of MCS-150 if you haul hazmat in placarded quantities.

👥 Who needs this form
Motor carriers transporting placarded quantities of hazardous materials in interstate commerce — including bulk hazmat haulers, tankers, and any operator handling high-hazard materials covered under 49 CFR 385 Subpart E.
🎯 Why you need it
Combines two required filings into one: the USDOT identification report PLUS the Hazardous Materials Safety Permit (HMSP) application. The HMSP is required by 49 CFR 385 Subpart E for carriers handling Class 7 radioactive materials, certain explosives, and large bulk loads of other regulated substances.
📅 When to file
Use instead of MCS-150 anytime you handle qualifying hazmat. File during initial registration and at every biennial update.
FORM MCS-150C
Identification

Intermodal Equipment Provider Identification Report

USDOT identification and biennial update form specifically for IEPs (Intermodal Equipment Providers) — companies that lease or maintain chassis trailers for containers.

👥 Who needs this form
Intermodal Equipment Providers — companies that own, lease, or maintain chassis trailers, container trailers, or other intermodal equipment used by motor carriers to transport containers in interstate commerce.
🎯 Why you need it
Under 49 CFR 385.601, IEPs are responsible for the safety of their equipment when it’s used on public highways. Federal regulations require IEPs to identify themselves with FMCSA, maintain safety standards on their equipment, and remain accountable for any roadside violations involving their equipment.
📅 When to file
Initial registration when establishing your IEP business, and every two years thereafter for the biennial update.
🎫

Operating Authority (5 forms)

The famous “MC number” forms. Required if you operate for-hire interstate — property, passenger, broker, freight forwarder, or Mexico-based.

FORM OP-1
Operating Authority

Application for Motor Property Carrier and Broker Authority

Apply for Motor Property Carrier authority (the MC Number) or Broker Authority. Required if you transport regulated property for hire across state lines, or arrange transportation as a broker.

👥 Who needs this form
For-hire interstate motor carriers transporting property (regulated goods) for compensation, and property brokers who arrange transportation between shippers and carriers.
🎯 Why you need it
49 USC 13901 makes it illegal to transport regulated property for compensation across state lines, or to arrange such transportation as a broker, without operating authority. Without an MC Number, you cannot legally invoice customers as an interstate property carrier or broker, and your loads may be impounded during roadside inspections.
📅 When to file
When starting interstate for-hire operations, switching from intrastate to interstate commerce, or adding broker services to an existing motor carrier business.
FORM OP-1(FF)
Operating Authority

Application for Freight Forwarder Authority

Apply for Freight Forwarder authority (FF Number). Required if you organize transportation of goods for others — consolidate shipments, handle break-bulk, provide distribution and delivery coordination.

👥 Who needs this form
Freight forwarders who consolidate shipments from multiple shippers, assume responsibility for goods during transit, arrange for transportation by carriers, and handle break-bulk distribution to consignees.
🎯 Why you need it
49 USC 13902 requires freight forwarder authority for anyone who assembles, consolidates, distributes, or otherwise handles shipments on a through bill of lading. Unlike brokers (who only arrange transportation), forwarders take responsibility for the cargo — and that responsibility requires federal authority.
📅 When to file
When starting freight forwarding operations, or when expanding from broker-only services to assuming actual responsibility for goods in transit.
FORM OP-1(P)
Operating Authority

Application for Motor Passenger Carrier Authority

Apply for Passenger Carrier authority. Required for buses, motorcoaches, shuttles, limousines, and other vehicles transporting passengers for compensation in interstate commerce.

👥 Who needs this form
For-hire passenger carriers — including motorcoach operators, charter bus companies, airport shuttle services, interstate limousine operators, tour bus companies, and any commercial vehicle transporting passengers across state lines for compensation.
🎯 Why you need it
49 USC 13902 requires operating authority for transporting passengers across state lines for compensation. Passenger authority is separate from property authority — even if you already have an MC Number for property, you need OP-1(P) to legally transport passengers interstate.
📅 When to file
When starting passenger transportation operations, expanding from intrastate to interstate passenger service, or adding passenger services to an existing motor carrier business.
FORM OP-1(MX)
Operating Authority

Application for Mexico-Based Motor Carrier (U.S. Long-Haul)

Apply for authority to operate as a Mexico-domiciled motor carrier providing long-haul transportation services beyond the commercial zones in the United States.

👥 Who needs this form
Mexico-domiciled motor carriers seeking authority to operate throughout the U.S. interior — not just within the commercial border zones. Includes property carriers wanting full U.S. long-haul privileges under USMCA provisions.
🎯 Why you need it
Under USMCA and related FMCSA regulations (49 CFR 365 Subpart E), Mexican carriers seeking long-haul U.S. operations are subject to enhanced safety monitoring requirements. OP-1(MX) establishes this authority and triggers the required pre-authorization safety audit and ongoing oversight.
📅 When to file
When a Mexico-domiciled carrier wants to provide long-haul transportation in the U.S. beyond border commercial zones.
FORM OP-2
Operating Authority

Mexican Certificate of Registration (Commercial Zone-Only)

Apply for a Mexican Certificate of Registration for foreign motor carriers operating only within the U.S. commercial zone along the Mexico border.

👥 Who needs this form
Mexico-domiciled motor carriers whose U.S. operations are limited to commercial border zones (areas extending into the U.S. from border crossings, typically within a few miles of the international boundary).
🎯 Why you need it
Provides a streamlined registration path for Mexican carriers whose operations don’t extend beyond U.S. border commercial zones. Required under NAFTA/USMCA provisions to legally operate in those zones while exempting carriers from full U.S. long-haul authority requirements.
📅 When to file
When a Mexican carrier’s U.S. operations are limited to commercial zones only (as opposed to OP-1(MX) for long-haul interior operations).
✏️

Updates & Changes (2 forms)

Forms for changing existing registrations — name, address, reinstatement, or voluntary revocation.

FORM MCSA-5889
Updates & Changes

Motor Carrier Records Change Form

Request changes to your operating authority records — most commonly used for name changes, address changes, and reinstatement requests.

👥 Who needs this form
Any motor carrier, broker, or freight forwarder with active records that need updating — changes to legal name, business address, ownership structure, or authority status.
🎯 Why you need it
FMCSA records must remain current and accurate. Inaccurate records can cause failed roadside inspections, blocked insurance verification, denial of authority during audits, and inability to renew UCR or biennial filings. MCSA-5889 is the official mechanism to keep your record correct.
📅 When to file
After a legal name change (with Articles of Amendment from your Secretary of State), business address change, ownership change, or to request reinstatement of suspended/inactive authority.
FORM OCE-46
Updates & Changes

Request for Revocation of Operating Authority

Voluntarily revoke your operating authority. Must be notarized or signed in the presence of FMCSA staff. Required if you have active operating authority and are going out of business.

👥 Who needs this form
Motor carriers, brokers, and freight forwarders with active operating authority who are permanently ceasing operations or no longer need their authority.
🎯 Why you need it
Without filing OCE-46, your operating authority remains active even after you stop operating — meaning you continue to be subject to UCR fees, biennial update requirements, insurance maintenance obligations, and potential compliance penalties. OCE-46 officially closes out the authority and ends those obligations.
📅 When to file
When permanently closing your business, when consolidating multiple authorities into one entity, or when transitioning to a different operating structure that doesn’t require your current authority.
⚖️

Process Agent (1 forms)

Required whenever you have operating authority. Designates who can legally receive documents on your behalf.

FORM BOC-3
Process Agent

Designation of Process Agents

Designate process agents who can receive legal documents on your behalf in every state where you operate. Required whenever you have operating authority (motor carriers, brokers, freight forwarders).

👥 Who needs this form
Every motor carrier with operating authority (MC Number), every property broker, every freight forwarder, and any other entity holding FMCSA operating authority — regardless of size.
🎯 Why you need it
49 USC 13304 requires you to designate process agents in every state where you operate. These agents legally receive lawsuit papers, subpoenas, and other legal process on your behalf. Without an active BOC-3 filing on record, FMCSA cannot activate your operating authority — meaning you cannot legally operate as a carrier or broker.
📅 When to file
Required during initial OP-1 filing, after reinstatement of suspended authority, whenever your process agent service changes, and after relocating your business if your designation needs updating.
🛡️

Insurance (7 forms)

Proof of financial responsibility. Most are filed by your insurance company, not by you directly.

FORM BMC-32
Insurance

Endorsement for Household Goods Motor Carrier Cargo Liability

Insurance endorsement specifically for household goods motor carriers covering cargo liability. Filed by your insurance company.

👥 Who needs this form
Interstate household goods motor carriers (movers) transporting personal effects, furniture, and household items for individual consumers across state lines.
🎯 Why you need it
Required under 49 USC 13906 to demonstrate cargo liability coverage specifically tailored to household goods — which has different consumer protection requirements than general freight. Protects consumers’ personal property during interstate moves and ensures recovery options if goods are damaged or lost.
📅 When to file
When obtaining HHG-specific cargo liability coverage. Filed electronically by your insurance company directly with FMCSA — you don’t fill this out yourself.
FORM BMC-40
Insurance

Application for Authority to Self-Insure

Apply for FMCSA authority to self-insure. Used by large carriers who meet financial requirements and want to be their own insurer.

👥 Who needs this form
Large motor carriers with strong financial backing and sufficient capital reserves to act as their own insurer instead of purchasing traditional liability insurance from third-party insurers.
🎯 Why you need it
Allows financially-qualified carriers to reduce ongoing insurance overhead by self-insuring. Under 49 USC 13906, FMCSA must approve self-insurance authority based on net worth, claims-handling capacity, and financial stability. Not appropriate for small operations.
📅 When to file
When you’ve established sufficient financial capacity and want to reduce insurance costs by becoming your own insurer. Application requires detailed financial documentation.
FORM BMC-85
Insurance

Property Broker’s Trust Fund Agreement

Property Broker’s Trust Fund Agreement or Notice of Cancellation. Alternative to a surety bond for brokers — establishes a trust fund as financial security.

👥 Who needs this form
Property brokers who choose to satisfy their financial security requirement using a trust fund (held by a qualified financial institution) instead of a traditional surety bond.
🎯 Why you need it
49 USC 13904 requires every property broker to maintain financial security to protect motor carriers from non-payment. The BMC-85 trust fund is one of two acceptable options — the other being the BMC-84 surety bond. Without one of these on file, your broker authority cannot remain active.
📅 When to file
When obtaining broker authority and choosing trust fund over surety bond, or when switching between the two options. Filed by the financial institution managing the trust fund.
FORM MCS-82
Insurance

Motor Carrier Public Liability Surety Bond

Surety bond for motor carrier public liability under Sections 29 and 30 of the Motor Carrier Act of 1980. Filed by your surety company.

👥 Who needs this form
Motor property carriers who choose to satisfy their public liability financial responsibility using a surety bond instead of traditional liability insurance.
🎯 Why you need it
Public liability coverage is required for all motor carriers under the Motor Carrier Act of 1980 (Sections 29 & 30). MCS-82 provides this coverage through a surety bond — an alternative to conventional insurance. Without this or equivalent insurance on file, your operating authority is suspended.
📅 When to file
When choosing surety bond coverage over insurance. Filed by your surety company directly with FMCSA.
FORM MCS-82B
Insurance

Motor Carrier Public Liability Surety Bond (Bus)

Surety bond for motor carrier public liability under Section 18 of the Bus Regulatory Reform Act of 1982. Used by passenger carriers.

👥 Who needs this form
Motor passenger carriers (bus and motorcoach operators) who choose to satisfy their public liability requirement using a surety bond instead of traditional liability insurance.
🎯 Why you need it
The Bus Regulatory Reform Act of 1982 requires public liability coverage for passenger carriers. MCS-82B provides this via surety bond, which can be lower-cost than traditional insurance for some operators. Without coverage on file, passenger authority is suspended.
📅 When to file
When a passenger carrier chooses bond over insurance. Filed by your surety company directly with FMCSA.
FORM MCS-90
Insurance

Endorsement for Public Liability Insurance

Insurance endorsement for motor carrier policies covering public liability. The most common public liability insurance endorsement.

👥 Who needs this form
Virtually every interstate motor property carrier — this is the standard endorsement attached to nearly all interstate motor carrier liability policies.
🎯 Why you need it
The MCS-90 endorsement amends your liability policy to guarantee minimum federal coverage limits, regardless of policy exclusions that might otherwise apply. Without an MCS-90 endorsement, your liability coverage may be deemed insufficient under federal regulations, and your operating authority can be suspended. It also ensures injured parties can recover even when the carrier’s own policy would deny coverage.
📅 When to file
Automatically attached to your liability insurance policy when you obtain a qualifying motor carrier policy. Filed electronically by your insurance company with FMCSA.
FORM MCS-90B
Insurance

Endorsement for Public Liability Insurance (Bus)

Insurance endorsement for motor carrier policies covering public liability under the Bus Regulatory Reform Act of 1982. Used by passenger carriers.

👥 Who needs this form
Interstate passenger carriers — including bus, motorcoach, shuttle, and limousine operators with FMCSA passenger authority.
🎯 Why you need it
Same regulatory function as MCS-90, but specifically for passenger carriers under the Bus Regulatory Reform Act of 1982. Guarantees minimum federal coverage limits on passenger liability insurance regardless of policy exclusions. Required to keep your passenger operating authority active.
📅 When to file
Attached to your liability policy when you obtain passenger carrier liability insurance. Filed electronically by your insurance company.

📋 Common Scenarios & Which Forms You Need

Not sure where to start? Find your situation below and see exactly which forms are required. Need help with any of these? Call (307) 200-8338 for a free consultation.

🆕 I’m applying for a brand-new USDOT Number

For first-time motor carriers, brokers, freight forwarders, or IEPs starting their FMCSA registration.

You need: MCS-150 (or MCS-150B for hazmat) plus the appropriate OP-1 series form if you need operating authority, plus BOC-3 process agent designation. We can prepare and file all of these for you.

🔄 I’m filing my biennial update (every 2 years)

Every USDOT holder must file an update every 2 years — even if nothing has changed.

You need: MCS-150 (motor carrier), MCS-150B (hazmat carrier), or MCS-150C (IEP). Miss this deadline and FMCSA may revoke your authority — let us track and file it for you.

📝 I need to change my company’s legal name

Filing a name change after restructuring, merger, or rebrand.

You need: MCSA-5889 plus appropriate MCS-150 series form plus Articles of Incorporation or Amendments from your Secretary of State.

🏠 I’m moving my business address

Update your registered business address with FMCSA.

You need: MCSA-5889 plus appropriate MCS-150 series form. We can complete this filing for you usually within a few business days.

♻️ I need to reinstate my operating authority

Get your suspended or inactive operating authority back into active status.

You need: MCS-150 (motor carriers only) plus MCSA-5889 plus BOC-3 plus Proof of Insurance. Reinstatement is time-sensitive — call us right away to avoid further delays.

🚫 I’m going out of business / closing

Officially close your USDOT and revoke your operating authority.

You need: MCS-150 series form plus OCE-46 (if you have active operating authority). OCE-46 must be notarized or signed in front of FMCSA staff.

📦 I’m a broker getting started

Apply for Broker Authority — required if you arrange transportation for compensation.

You need: OP-1 (Broker section) plus BOC-3 plus either a surety bond or BMC-85 trust fund agreement. We help brokers get started every day.

☢️ I’m a hazmat carrier

If you transport placarded quantities of hazardous materials in interstate commerce.

You need: MCS-150B (combined USDOT + HM Safety Permit application) instead of MCS-150. May also need OP-1 if you’re for-hire interstate. Let our specialists handle it.

Frequently Asked Questions

Can DotMotusCompliance file these forms for me?

Yes — this is what we do every business day. We file FMCSA forms on behalf of motor carriers, brokers, freight forwarders, and other DOT-regulated businesses. We handle MCS-150 biennial updates, MCS-150B hazmat updates, name and address changes, reinstatements, BOC-3 designations, new USDOT applications, and operating authority applications — without you having to figure out which form goes with which scenario. Call (307) 200-8338 or email Support@DotMotusCompliance.com for a free consultation.

What’s the difference between MCS-150, MCS-150B, and MCS-150C?

All three are USDOT identification reports, but for different types of entities:

  • MCS-150 — Standard motor carriers (property and passenger)
  • MCS-150B — Motor carriers that also transport hazardous materials (combined with HM Safety Permit application)
  • MCS-150C — Intermodal Equipment Providers (chassis/container trailer companies)

Not sure which applies? Call us.

What is a BOC-3 and do I need one?

BOC-3 designates “process agents” — representatives authorized to receive legal documents on your behalf in every state where you operate. You need a BOC-3 whenever you have operating authority (so motor carriers with MC numbers, brokers, and freight forwarders all need one). It’s filed by a process agent service, not by you directly. We can connect you with a qualified process agent service as part of our filing assistance.

Who fills out the insurance forms?

Your insurance company does. The BMC and MCS-82/90 forms are filed electronically by your insurer, surety company, or financial institution — not by you. Your job is to buy the right coverage; their job is to file the right form. If you’re not sure what coverage you need, call us at (307) 200-8338.

What’s the difference between MCS-90 and MCS-82?

Both relate to public liability coverage for motor carriers:

  • MCS-90 — An insurance endorsement attached to your existing liability policy. Most motor carriers have this.
  • MCS-82 — A surety bond as an alternative to traditional insurance.

The “B” variants (MCS-82B, MCS-90B) are the same but for passenger carriers (buses) under the Bus Regulatory Reform Act.

What happens if my application is returned as incomplete?

FMCSA sends it back with a reason and you have to fix it and resubmit — which adds weeks of delay. Common reasons include missing signatures, wrong form for your operation type, or missing supporting documents. This is exactly why most carriers hire us — we catch these errors before submission so your application clears on the first attempt.

Do I really need multi-factor authentication to update my registration?

For online updates — yes. The MFA mandate applies to most online registration changes. If you don’t have or want to set up MFA, you can still submit changes via paper forms, but expect a minimum 8 business day processing time. Or just call us at (307) 200-8338 — we handle the technical login and filing on your behalf.

Filing FMCSA Forms Is What We Do

Save yourself the hours of research, the wrong-form mistakes, and the back-and-forth with FMCSA. We file every form on this page on behalf of carriers like you, every business day.

We help with DOT compliance filings, MCS-150, UCR, compliance audits, Drug & Alcohol Program support, Clearinghouse services, Hazmat registration, CDL and non-CDL training, ELD and dash cam support, fleet safety monitoring, TMS and load board solutions, driver qualification documentation, compliance monitoring, fleet record management, and 24×7 support.
Disclaimer: This forms library is provided by DotMotusCompliance Inc. for educational purposes based on publicly available information current as of 2026. Form requirements and processing times may change. This guide is not legal or regulatory advice and is not affiliated with, endorsed by, or sponsored by FMCSA or the U.S. Department of Transportation. Official form links direct to fmcsa.dot.gov, the federal government’s authoritative source. For personalized guidance, contact DotMotusCompliance at (307) 200-8338.

Scroll to Top