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Can you switch truck insurance in the middle of the policy term?

Updated . Sources for every claim are listed at the end.

Short answer

Yes. You can cancel a truck policy and replace it before it expires. The work is in the timing: the new insurer has to put your federal (BMC-91X) and Texas (Form E) filings on file before the old ones are cancelled, because the regulations build in notice periods and a lapse can put your operating authority at risk.

  • Check how your current policy calculates the refund. Some return unearned premium pro rata; others apply a short-rate penalty or have minimum earned premium.
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The filings are what make switching tricky

A for-hire carrier's liability insurance is not just a policy; it is also a filing:

  • FMCSA: your insurer files proof of coverage (the BMC-91X) with FMCSA. Under 49 CFR 387.313T, a filing cannot be cancelled until 30 days after written notice (Form BMC-35) is submitted to FMCSA.
  • MCS-90: under 49 CFR 387.7(b)(1), cancellation of the required financial responsibility takes 35 days' written notice between the insurer and the motor carrier.
  • TxDMV: for intrastate authority, TxDMV says only your insurance company can file proof of insurance or a cancellation, and you must keep an active filing in TxMCCS at all times while operating.

So the safe sequence is: bind the new policy, confirm the new filings show on FMCSA and TxDMV records, then cancel the old policy effective the same day or later. See FMCSA and TxDMV insurance filings for how the pieces connect.

Which filing goes where

Trucking insurance filings and where each one goesThe insurer files BMC-91X or BMC-91 with FMCSA as proof of liability for interstate authority, and BMC-35 to cancel it, effective 30 days after FMCSA receives it. The carrier or a process agent service files the BOC-3 with FMCSA. The insurer files Form E with TxDMV for Texas intrastate registration, and Form K to cancel it. The MCS-90 endorsement is not a filing; it is attached to the policy.Who filesFormWhere it goesInsurerfiles itBMC-91X or BMC-91proof of liabilityFMCSAneeded for interstate authorityInsurerfiles itBMC-35notice of cancellationFMCSAeffective 30 days after receiptCarrieror a process agent serviceBOC-3designates process agentsFMCSAan agent in every stateInsurerfiles itForm Eproof of liabilityTxDMVTexas intrastate registrationInsurerfiles itForm Kliability cancellationTxDMVcancels the proof on fileInsurerattaches itMCS-90 endorsementguarantee to the publicYour policynot a filing; part of the policy
Forms named in 49 CFR 387.313 (BMC-91, BMC-91X, BMC-35) and 49 CFR part 366 (BOC-3). Under 387.313, federal filings cannot be cancelled until 30 days after FMCSA receives the BMC-35. TxDMV states that only the insurance company can file proof of insurance (Form E) or its cancellation (Form K), and that the carrier is still responsible for keeping its insurance record active.

Money questions to ask before you cancel

  • Refund method. Pro rata returns the unused premium proportionally. Short rate keeps an extra amount as a penalty for early cancellation. Your policy or premium finance agreement says which applies.
  • Minimum earned premium. Some trucking policies have one, especially on new ventures. Cancel early and the refund can be smaller than expected.
  • Premium finance. If you financed the premium, the finance company gets the refund first and you owe any shortfall.
  • Paid-in-full deposits and audits. If the policy is auditable (mileage or revenue based), expect a final audit after cancellation.

Brokers and certificate holders need new paperwork

Every broker you haul for has your old certificate on file. Send new certificates the day the new policy binds, and update onboarding platforms. If the new policy carries different endorsements, check them against each broker-carrier agreement so a load is not refused for a rejected packet. If you are switching because your insurer is leaving, see what happens if truck insurance cancels.

Common questions

Can I have two policies overlap for a day?

Yes, and a short overlap is usually safer than a gap. Cancel the old policy effective on or after the new policy's start date.

Will FMCSA revoke my authority while I switch?

Not if the new filing is on record before the old one cancels. Problems start when the old insurer's cancellation takes effect with no replacement filing.

Do I need loss runs to switch mid-term?

Usually yes. The new underwriter will price the account like any new business, and Texas law lets you request your claims history in writing.

Sources

  1. 49 CFR 387.313T, Forms and procedures (Cornell LII). 30 days written notice to FMCSA (Form BMC-35) before a filing is cancelled.
  2. 49 CFR 387.7, Financial responsibility required (Cornell LII). 35 days written notice to cancel required financial responsibility.
  3. TxDMV, TxDMV number requirements. Only the insurance company can file proof of insurance or cancellation; keep an active filing in TxMCCS.

This page explains insurance, not law. Have your attorney review indemnity and contract language; our job is making the insurance match it.

Keep reading

Contracts and deadlines

Which insurance filings does a Texas trucking company need, and who files them?

Questions

What is a BMC-91X filing?

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What is a Texas Form E?

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What happens if my truck insurance cancels?

Contracts and deadlines

Our trucking insurance renewal came in high. How do we find out why, and what can we change?

Find the gaps before a broker or a claim does.

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