HaulMCS-150 Biennial Update Deadline Calculator
Enter a USDOT number to find when its biennial MCS-150 registration update is due. FMCSA sets the schedule from the last two digits of the USDOT number.
Enter a USDOT number to see its biennial update month.
How it works: the last digit sets the month (1–9 = January–September, 0 = October); the second-to-last digit sets the year (odd → odd years, even → even years).
Want the full picture? See the MCS-150 update & biennial deadline guide for the filing schedule, how to file the form, and what happens if you miss your deadline.