TL;DR: Mississippi intrastate for-hire carriers register with MDOT's Motor Carrier Section as restricted motor carriers, showing $750,000 liability and statutory cargo coverage, paying $50 plus $10 per vehicle unless UCR fees cover it, and attaching a BOC-3 when domiciled out of state. A Form E filing keeps the authority alive.
Who needs Mississippi intrastate authority?
Any for-hire carrier transporting property between Mississippi points: the flatbed hauling lumber from a Hattiesburg mill to a Jackson yard, the reefer moving poultry from a processing plant to a distribution center, the dump truck serving highway projects. MDOT's Motor Carrier Section registers these operations as restricted motor carriers, with certificates and permits under the state's motor carrier statutes. Household goods movers and passenger carriers follow separate application tracks, private carriers hauling their own goods sit outside the for-hire requirement, and interstate work belongs to the FMCSA's system.
What does the application require?
The general freight application collects the business identity, USDOT and MC numbers, the authority type, non-hazmat or a hazmat category, and the insurance certifications: $750,000 in liability for non-hazmat freight, $1,000,000 or $5,000,000 for hazmat under 49 CFR Part 387, and cargo insurance of $5,000 or $10,000 by load weight. Out-of-state applicants attach a BOC-3 process agent designation, and carriers holding interstate authority attach their receipt. The applicant certifies familiarity with MDOT and USDOT safety regulations and accepts that MDOT may audit the operation with access to equipment and records at reasonable times.
What are the fees and how does UCR interact?
New carriers pay a $50 registration fee plus $10 per vehicle. The per-vehicle fees are waived for carriers that have paid fees under the Unified Carrier Registration program for the trucks claimed, which spares interstate carriers from double payment; provide the USDOT and MC numbers so MDOT can verify. Renewals and supplements move through the same Jackson office, and the insurer's Form E filing stays on record so the state can see the liability coverage is active.
| Step | Requirement | Notes |
|---|---|---|
| Application | MDOT Motor Carrier Section | Restricted motor carrier |
| Liability evidence | $750,000 non-hazmat | Form E on record |
| Cargo evidence | $5,000 or $10,000 | By load weight |
| BOC-3 | Out-of-state applicants | Process agent designation |
| Fees | $50 plus $10 per vehicle | Per-vehicle waived with UCR |
How does the federal system run alongside?
Interstate carriers register with the FMCSA, keep a BOC-3 on file federally, and rely on insurer-filed BMC-91X or MCS-90 evidence of the federal tiers, with revocation proceedings following any filing lapse. The systems are parallel, not interchangeable: federal authority does not permit for-hire hauling between Mississippi points, and MDOT registration does not authorize crossing into Alabama or Louisiana. Carriers doing both keep both current, and because Mississippi's floor matches the federal one, the same policy typically satisfies both sides with different paperwork.
What trips carriers up?
Three recurring failures: assuming a federal MC number covers in-state work, letting the insurer's state filing lapse during a market change while the policy itself stays in force, and skipping the cargo evidence because no broker ever asked for the statutory amounts. Each is a paperwork failure rather than a coverage failure, and each surfaces at the worst moment, a roadside stop, an audit, or a claim, when reconstructing compliance costs far more than maintaining it would have.
What should carriers take away?
Mississippi's system is inexpensive and aligned with the federal rules, which makes it one of the easier state layers in the country to keep clean. Register before the first for-hire load, keep the Form E and cargo evidence active through every insurer change, attach the BOC-3 if domiciled elsewhere, and let UCR payment carry the vehicle fees when it applies. The carriers that stumble here are almost never the ones facing hard requirements; they are the ones that treated an easy system as optional.
Real questions Mississippi owner-operators and fleet managers ask
How does a carrier get intrastate authority in Mississippi?
Apply to MDOT's Motor Carrier Section as a restricted motor carrier with insurance evidence at the $750,000 floor, statutory cargo coverage, a $50 fee plus $10 per vehicle, and a BOC-3 if domiciled out of state.
Does UCR payment reduce Mississippi registration costs?
Yes. Carriers that have paid Unified Carrier Registration fees for their trucks have the $10 per-vehicle fees waived; MDOT verifies against the USDOT and MC numbers provided on the application.
Do out-of-state carriers need anything extra for Mississippi authority?
A BOC-3 process agent designation accompanies the application for carriers domiciled outside Mississippi, and carriers holding interstate authority attach their receipt so MDOT can coordinate the records.
Does a federal MC number authorize intrastate hauling in Mississippi?
No. Federal authority covers interstate commerce only. Hauling for hire between Mississippi points requires the MDOT restricted motor carrier registration, and the two systems run in parallel.
What keeps Mississippi authority active after registration?
The insurance filings. The Form E liability evidence and cargo coverage must stay current, so insurer changes need the replacement filing in place before the old policy cancels to avoid an authority gap.
Can Morrow write trucking insurance in Mississippi?
Not directly today. Morrow is the brand name of Afthonea Inc, licensed in Massachusetts, Florida, California, New York, Pennsylvania, Oregon, and Texas. If your trucking company is based in Mississippi, we can refer you to a licensed Mississippi agent, and this guide still shows you exactly what to ask that agent for. Everything above comes from public Mississippi and federal sources, not from us selling you a policy.
Related Mississippi trucking guides
The other Mississippi trucking questions, answered the same way.
- Trucking insurance in Mississippi (start here)
- Trucking insurance requirements
- Minimum liability limits for trucks
- Cost of trucking insurance
- Business insurance in Mississippi
This guide is general information, not legal, tax, or insurance advice. Limits, forms, and deadlines change, so verify current requirements with the Mississippi Department of Transportation and the Mississippi Insurance Department before you rely on them. Morrow is a brand name of Afthonea Inc. Last updated: July 2026.