FMCSA Registration Forms Library: Complete 2026 Guide for Motor Carriers, Brokers & Freight Forwarders
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.
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.
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.
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.
Operating Authority (5 forms)
The famous “MC number” forms. Required if you operate for-hire interstate — property, passenger, broker, freight forwarder, or Mexico-based.
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.
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.
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.
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.
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.
Updates & Changes (2 forms)
Forms for changing existing registrations — name, address, reinstatement, or voluntary revocation.
Motor Carrier Records Change Form
Request changes to your operating authority records — most commonly used for name changes, address changes, and reinstatement requests.
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.
Process Agent (1 forms)
Required whenever you have operating authority. Designates who can legally receive documents on your behalf.
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).
Insurance (7 forms)
Proof of financial responsibility. Most are filed by your insurance company, not by you directly.
Endorsement for Household Goods Motor Carrier Cargo Liability
Insurance endorsement specifically for household goods motor carriers covering cargo liability. Filed by your insurance company.
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.
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.
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.
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.
Endorsement for Public Liability Insurance
Insurance endorsement for motor carrier policies covering public liability. The most common public liability insurance endorsement.
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.
📋 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.
🔄 I’m filing my biennial update (every 2 years)
Every USDOT holder must file an update every 2 years — even if nothing has changed.
📝 I need to change my company’s legal name
Filing a name change after restructuring, merger, or rebrand.
🏠 I’m moving my business address
Update your registered business address with FMCSA.
♻️ I need to reinstate my operating authority
Get your suspended or inactive operating authority back into active status.
🚫 I’m going out of business / closing
Officially close your USDOT and revoke your operating authority.
📦 I’m a broker getting started
Apply for Broker Authority — required if you arrange transportation for compensation.
☢️ I’m a hazmat carrier
If you transport placarded quantities of hazardous materials in interstate commerce.
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.
