“Reactivate my MC number” is what carriers type into a search bar. It is not what FMCSA calls anything. The agency's own FAQ is titled “How do I make my MC/FF/MX number active (request to reinstate or reactivate operating authority)?” — it uses both words for the same $80 filing. The word that actually matters is the one that describes what happened to your record, because three different problems hide behind “reactivate” and they have three different fixes: a free MCS-150 update, an $80 reinstatement, or a fresh $300 application. This guide sorts you into the right one in a single table, then walks each path.
Which One Do I Have? Two Status Fields Tell You
Look up your record in FMCSA's Motus public search (by USDOT number or company name). Two fields do the work. USDOT Status describes the registration record itself. Operating Statusdescribes the for-hire authority on the MC docket. They move independently — an ACTIVE USDOT can sit next to NOT AUTHORIZED, and an INACTIVE USDOT can sit next to AUTHORIZED FOR Property. If the Operating Status reads NOT AUTHORIZED, go one layer deeper into the authority details on the same record, and the FMCSA notices you received, to see whether the docket was revoked, is pending revocation, or was never granted at all. Our status-check guide decodes the raw fields; the table below is the shortcut.
| What you see | What actually happened | The fix | FMCSA fee | Timing |
|---|---|---|---|---|
| USDOT Status: INACTIVE (“biennial update of MCS-150 data not completed”) | Deactivated USDOT — the 49 CFR 390.19T biennial was missed | File the overdue MCS-150 in Motus | $0 | FMCSA controls when the update posts |
| USDOT ACTIVE, Operating Status NOT AUTHORIZED, record shows an involuntary revocation | Revoked operating authority (insurance, BOC-3, penalty, safety) | Cure the cause, then file the reinstatement (Motus or Form MCSA-5889) | $80, non-refundable | FMCSA controls the timing once the request is submitted |
| USDOT INACTIVE and NOT AUTHORIZED | Both problems at once | MCS-150 first, then the reinstatement — FMCSA will not accept the request while the USDOT is Inactive | $80 total | The biennial has to post first; then FMCSA controls the timing |
| Record shows PENDING REVOCATION (insurer filed a BMC-35/36 notice) | Not revoked yet — a 30-day countdown under 49 CFR 387.313T | Replacement BMC-91/91X e-filed before the effective date | $0 | Depends on how fast the insurer e-files |
| Operating Status: OUT-OF-SERVICE | An enforcement order is active; the cause decides everything | Cause-specific — imminent-hazard and UNSAT orders are excluded from the $80 path | Depends | Depends on the cause |
| Record shows the application PENDING or DISMISSED, never granted | Nothing to reactivate — the authority never existed | Finish the pending application (insurance + BOC-3), or apply again after a dismissal | $300 per authority type if you must reapply | New-applicant review, including the 10-day protest period after the FMCSA Register notice (49 CFR 365.203T); FMCSA controls the timing |
| You filed Form OCE-46 (voluntary revocation) | Revoked at your own request — common for seasonal carriers | Same $80 reinstatement; FMCSA holds it until BOC-3 and insurance are back on file | $80 | FMCSA controls the timing once the filings are on record |
How Do I Reactivate an Inactive USDOT Number?
Under 49 CFR 390.19T every carrier files the MCS-150 every 24 months — the last digit of the USDOT number sets the month, the next-to-last digit sets odd or even year — and the update is due even if nothing changed. Miss it and FMCSA deactivates the USDOT number under 49 CFR 390.19T(b)(4), and a missed update can also lead to civil penalties. A carrier with an inactive USDOT number can't operate until the update is filed.
The fix is the update itself. Sign in to Motus with Login.gov (Motus replaced the FMCSA Portal and URS for registration actions on May 14, 2026, and it does not use the USDOT PIN), file the MCS-150 with current fleet, mileage, and contact data, and the USDOT record reactivates. There is no separate “reactivation form” and no FMCSA fee. FMCSA controls when the update posts. Our MCS-150 overdue guide walks the filing, and sister site FastMCS150 Filing has a step-by-step USDOT reactivation guide that covers the Motus screens.
Two traps. First, the biennial does nothing for a revoked MC docket — if the Operating Status is also NOT AUTHORIZED, the update fixes the USDOT and leaves the authority exactly where it was. Second, order matters: FMCSA's FAQ says “our systems will not allow users to request reinstatement if the USDOT Number is Inactive or Out of Service,” so a carrier with both problems files the MCS-150 first, then the reinstatement.
How Do I Reinstate a Revoked MC Number?
Reinstatement is FMCSA's word for putting a revoked docket back to ACTIVE, and the fee item in 49 CFR 360.3T(f)(52) says exactly that: “a petition for reinstatement of revoked operating authority,” $80. The sequence:
- Read the cause on your FMCSA record.Look it up in FMCSA's Motus public search (by USDOT number or company name); the insurance and BOC-3 records and FMCSA's notices tell you why the docket fell — a lapsed BMC-91/91X, a dropped BOC-3, an unpaid civil penalty, or a safety action.
- Cure it.The insurer e-files the BMC-91 or BMC-91X (a paper certificate does not count), the process agent's BOC-3 shows current, the penalty is paid in full and posted. FMCSA's FAQ lists insurance and BOC-3 on file as preconditions.
- File the request. In Motus with your Login.gov sign-in, or on paper with Form MCSA-5889 uploaded through an FMCSA ASK ticket.
- Pay $80 by card. FMCSA stopped accepting checks and money orders for any transaction on September 30, 2025, and under 360.3T(c) the fee is not refunded once the filing is accepted, whether it is granted or dismissed. Cure first, pay second.
FMCSA controls how long its review takes, and the agency “will notify you if your application is on hold, pending additional information or in vetting under review.” Two causes cannot use this path at all — an imminent-hazard out-of-service order and a final Unsatisfactory rating. Those run through the out-of-service recovery tracks.
What If the Authority Was Never Granted?
Some “reactivate my MC” questions turn out to be about dockets that never went active. A new application is published in the FMCSA Register, and if the insurer's filing and the BOC-3 do not reach FMCSA within 90 days, the application is dismissed. FMCSA stopped accepting “un-dismissal” requests in August 2023, so a dismissed application means a new one — $300 per authority type under 360.3T(f)(1) — and a reinstatement petition is not available because there is no revoked authority to reinstate. If your record shows a pending application with a filing missing, the job is to chase the insurer or process agent before the 90 days run out, not to file anything with FMCSA.
Should I Just Get a New MC Number Instead?
Usually not. Reinstating keeps the number, the history, and every broker and factor setup tied to it; a new authority costs $300 plus the full startup stack and restarts the new-entrant period. If the docket fell for an unpaid civil penalty, a new number does not even escape the problem — 49 U.S.C. 13905(d)(2)(B) lets FMCSA withhold new registration until the penalty is paid. The full comparison is in reinstatement vs new authority. One footnote for anyone worried the number itself is disappearing: FMCSA has proposed to stop issuing MC numbers in favor of USDOT-number suffixes, but its modernization FAQ says the change is not in effect and existing MC numbers would not be replaced.
The One-Minute Version
- USDOT INACTIVE: file the MCS-150 in Motus. Free.
- NOT AUTHORIZED, revoked: cure the cause, then the $80 reinstatement. FMCSA controls the timing.
- Both: MCS-150 first, reinstatement second.
- PENDING REVOCATION: replacement insurance before the date. Free.
- OUT-OF-SERVICE: find the cause; some causes have no $80 path.
- Never granted or dismissed: new $300 application.
Revoked, Not Just Inactive? Get It Submitted.
$275 flat covers the $80 FMCSA fee and every open cause — insurance, BOC-3, MCS-150, penalty — in one coordinated filing. Submitted the same business day.
Start Reinstatement — $275