MCS-150 comparisons

Short reference pages that explain the difference between the MCS-150 form variants, the filing triggers, and the FMCSA concepts carriers most often confuse. Each links to a full side-by-side with the underlying regulation cited.

• Side-by-side

  MCS-150 vs MCS-150B

  MCS-150 is the biennial update for general motor carriers; MCS-150B is the hazmat-permit variant adding shipper, route, and security-plan disclosures.

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• Side-by-side

  MCS-150 vs MCS-150B vs MCS-150C

  MCS-150 covers general carriers, MCS-150B is the hazardous-materials variant, and MCS-150C is for intermodal equipment providers — all three compared.

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• Side-by-side

  Biennial Update vs Name Change

  The biennial MCS-150 is mandatory every 24 months on a USDOT-digit schedule; a name change requires a one-off MCS-150 within 30 days. Same form, different triggers.

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• Side-by-side

  Biennial vs On-Demand Update

  The §390.19T biennial update is due every 24 months on the USDOT-digit schedule; an on-demand MCS-150 is required within 30 days of any operational change.

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• Side-by-side

  MCS-150 Mileage vs IRP Mileage

  MCS-150 mileage is one annual total for FMCSA; IRP mileage is per-state apportioned mileage for base-state registration. Two reporting frameworks, both required.

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• Side-by-side

  USDOT Deactivation vs Revocation

  USDOT deactivation can follow a missed MCS-150 and is addressed by filing an updated one. Operating authority revocation is separate and happens for other reasons, such as an insurance lapse.

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• Side-by-side

  MCS-150 Paper vs Online Filing

  MCS-150 updates are made online in FMCSA's Motus system with a Login.gov sign-in. How online filing compares with the old paper form.

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• Side-by-side

  FMCSA PIN Recovery vs Portal Account

  FMCSA retired the old PIN with its legacy systems on May 14, 2026; since Motus opened on May 19, 2026, sign-in uses Login.gov. Doing the setup yourself (free) vs Login.gov setup help ($25).

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