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Free MCS-150 deadline calculator

Enter your USDOT number to see your next biennial-update deadline. Implements 49 CFR §390.19 — month by last digit, year by even/odd second-to-last digit.

Sources

  • 49 CFR §390.19 — Motor carrier identification report (MCS-150 biennial update)
  • 49 USC §14901 — Civil penalties for non-compliance
FAQ

Common questions, plainly answered.

Under 49 CFR §390.19(b)(1), the month of your MCS-150 deadline is determined by the LAST digit of your USDOT (1=January, 2=February ... 9=September, 0=October). The year is determined by the SECOND-TO-LAST digit: even = even year, odd = odd year. So a USDOT ending in ...23 files in March of every odd year (2025, 2027, 2029).

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The same compliance team that built this tool can file every requirement on your behalf — same-day or next-business-day depending on the form.

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