If you want to operate as an auto transport broker in the United States, the Federal Motor Carrier Safety Administration (FMCSA) requires you to hold a surety bond or trust fund agreement before you can legally arrange the transportation of vehicles for compensation. The two instruments that satisfy this requirement are the BMC-84 surety bond and the BMC-85 trust fund agreement. Both serve the same purpose — protecting shippers and carriers from broker non-payment — but they work differently and carry different upfront costs.
The minimum bond amount set by FMCSA is $75,000, a figure that has been in place since 2013 when Congress passed MAP-21 and raised it from the previous $10,000 threshold. You cannot legally broker a single vehicle shipment without this coverage in place. If a bond lapses, your broker authority is automatically revoked and you must stop operations until it is reinstated. Understanding which instrument fits your financial situation — and how to keep it active — is one of the first compliance decisions you will make as a new broker.
BMC-84 Surety Bond: How It Works
The BMC-84 is a surety bond issued by a licensed surety company. Think of it as a line of credit backed by the surety: if you fail to pay a carrier or shipper a legitimate claim, the surety pays up to $75,000 on your behalf — and then comes after you for reimbursement. You do not pay the full $75,000 upfront. Instead, you pay an annual premium, which is a percentage of the bond amount.
What Does a BMC-84 Cost?
Annual premiums for a BMC-84 bond typically range from 1% to 5% of the $75,000 face value, depending on your personal credit score, business history, and the surety company's underwriting standards. In practice this means:
| Credit Tier | Approximate Rate | Annual Premium |
|---|---|---|
| Excellent (720+) | 1%–1.5% | $750–$1,125/yr |
| Good (660–719) | 1.5%–3% | $1,125–$2,250/yr |
| Fair / New Business (below 660) | 3%–5% | $2,250–$3,750/yr |
Most new brokers with decent personal credit land somewhere between $900 and $1,500 per year. The surety files the bond directly with FMCSA on Form BMC-84, and your broker authority becomes active once FMCSA processes it — typically within 1–3 business days after the surety submits electronically.
Cancellation and Reinstatement
Surety companies can cancel a BMC-84 bond with 30 days written notice to FMCSA, typically for non-payment of premium. If your bond is cancelled, FMCSA revokes your operating authority on day 31. Reinstatement requires a new bond filing plus any back premiums owed. This 30-day window is a hard deadline — do not miss premium renewal notices.
BMC-85 Trust Fund Agreement: How It Works
The BMC-85 is not a bond — it is a trust fund agreement where you deposit the full $75,000 in cash or cash-equivalent securities into a federally approved trust account. A bank or trust company acts as the trustee and holds the funds on behalf of potential claimants. FMCSA requires the trustee to file Form BMC-85 confirming the account is funded.
The primary advantage of a BMC-85 is that you pay no ongoing premium. Once the $75,000 is deposited, your annual carrying cost is essentially zero (aside from any trustee fees, which are typically $200–$500 per year). If no claims are ever filed against your trust, that $75,000 remains yours when you eventually close the account.
Who Should Consider BMC-85?
The BMC-85 makes financial sense if you have the capital available and plan to operate for several years. The break-even point versus a BMC-84 bond depends on your premium rate, but at 2% per year ($1,500 annually), you recover the full $75,000 trust deposit in 50 years of avoided premiums — so it is rarely a pure cost-savings play. The real benefit is zero renewal risk: your authority cannot lapse due to a missed premium payment because there is no premium. Larger, well-capitalized brokerage operations often prefer BMC-85 for this reason.
BMC-84 vs BMC-85: Side-by-Side Comparison
| Factor | BMC-84 (Surety Bond) | BMC-85 (Trust Fund) |
|---|---|---|
| Upfront cost | Annual premium (1%–5%) | $75,000 cash deposit |
| Ongoing cost | Annual renewal premium | Trustee fees (~$200–$500/yr) |
| Lapse risk | Yes — non-payment cancels bond | No — funds are always on deposit |
| Capital tie-up | None | $75,000 illiquid |
| Credit check required | Yes | No |
| Best for | New brokers, limited capital | Established operations, strong cash position |
How to Get Your BMC-84 Bond: Step-by-Step
Most new auto transport brokers go the BMC-84 route. Here is the typical process from application to active authority:
- Apply for broker operating authority with FMCSA. File Form OP-1 (Application for Motor Property Carrier and Broker Authority) through the FMCSA Unified Registration System (URS). The filing fee is $300 per authority type. You will receive a USDOT number and MC number.
- Get your USDOT and MC numbers. You need these before a surety will issue a bond. The MC number is what the bond is filed against.
- Shop surety bond providers. Request quotes from at least three licensed sureties. Rates vary — a 30-minute comparison can save $300–$500 per year. Well-known providers in the transportation space include SuretyBonds.com, JW Surety Bonds, and Bryant Surety Bonds.
- Complete the surety application. Provide your MC number, business structure, SSN or EIN, and consent to a soft credit pull. Approval is typically same-day or next-day.
- Pay your first-year premium. Once approved, pay the annual premium and the surety will electronically file Form BMC-84 with FMCSA.
- Wait for FMCSA processing. New broker authority typically becomes active within 10 business days of the application (the mandatory protest period). If the bond is filed before the protest period ends, your authority activates automatically once the window closes.
- Set a renewal reminder. Mark your calendar 60 days before the annual renewal date. Letting the bond lapse means losing your authority and potentially losing load board access on Central Dispatch or Super Dispatch, which verify active authority in real time.
Common Mistakes That Get Brokers in Trouble
Most compliance issues with broker bonds come down to a handful of avoidable errors:
- Missing the premium renewal: Sureties send notices by mail and email. If your contact information is outdated, you may not receive them. Log into your surety portal at least annually to verify your contact info and payment method.
- Confusing broker authority with carrier authority: If you haul vehicles with your own trucks, you need carrier authority (MC number with BIPD insurance, not a broker bond). A broker bond does not cover you as a carrier. Many small operators hold both.
- Operating under someone else's authority: Acting as a broker under another company's MC number without your own authority is a federal violation. FMCSA can assess civil penalties up to $16,000 per violation per day.
- Not updating FMCSA when the bond changes: If you switch surety providers, the new surety must file the replacement BMC-84 before the old one is cancelled — never leave a gap.
- Assuming a state license replaces the federal bond: Some states require additional registration (California, for example, has its own motor vehicle transport broker licensing requirements under the California Vehicle Code). Federal BMC-84/85 compliance is separate from any state-level requirements.
Keeping Your Bond Status Clean as You Scale
A broker's long-term bond cost and renewability depend heavily on claims history. Every claim paid out by your surety raises a red flag at renewal, and multiple claims can result in non-renewal or premium spikes. The best way to protect your bond record is to maintain clean payment practices with carriers — pay on time, dispute invoices in writing, and document every transaction.
This is where having organized records pays off. When you can pull up a signed rate confirmation, a delivery receipt, and a payment record in seconds, disputes with carriers rarely escalate to a bond claim. Manual spreadsheets make this difficult at volume — here is how purpose-built software compares to spreadsheets for keeping that paper trail intact. AutoHauler AI tracks carrier payments, load confirmations, and dispatch records in one place, so if a carrier ever challenges a payment, you have the documentation to resolve it without involving the surety. See how AutoHauler AI handles dispatch and payment tracking to understand what that looks like in practice.
Getting your BMC-84 or BMC-85 in place is a one-time milestone, but staying compliant and claims-free is an ongoing discipline. If you are building out your brokerage operations and want a platform designed specifically for auto transport — not a generic TMS bolted onto the carrier side — reach out to the AutoHauler AI team or review our plans to see what fits where you are today.