Free Tool MCS-150 Due Date Finder
Every USDOT number must update its MCS-150 every two years. Type yours and see exactly when.
Your USDOT number
Biennial update rule: 49 CFR 390.19
USDOT numberHow the due date works
| Last digit of USDOT | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|
| Due by end of | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct |
Next-to-last digit odd → file in odd years (2027, 2029 …). Even → even years (2026, 2028 …).
We update it for you
We file your MCS-150 update on time and remind you two years from now. Leave your number and we'll call.
888-700-5704From FMCSA: every motor carrier files an update every 24 months, by the last digit (month) and next-to-last digit (odd/even year) of the USDOT number — FMCSA FAQ. Also update it when your company details change. We are not a government agency.
Questions truckers ask
What is the MCS-150 biennial update?
It is the form that keeps your USDOT registration current: company details, number of trucks and drivers, and miles driven. Every carrier with a USDOT number files it every two years, even if nothing changed.What happens if I miss it?
FMCSA can deactivate your USDOT number and charge civil penalties. A deactivated number can get your trucks put out of service at a roadside inspection.How do I know my month?
The last digit of your USDOT number: 1 = January, 2 = February … 9 = September, 0 = October. The digit before it decides odd or even years.Is there a fee?
FMCSA does not charge a fee to file the MCS-150 update. Companies that file it for you charge for their service.More free trucking tools
Form 2290 Tax CalculatorHeavy vehicle use tax by weight and first-use month, with your due date.
UCR 2027 Fee CalculatorYour UCR fee by fleet size, with the full bracket table.
Which Authority Do I Need?Answer 10 questions and get your list: USDOT, MC, UCR, IFTA, IRP, 2290, MCP and more.
IFTA Fuel Tax CalculatorMiles and gallons by state → MPG and the fuel tax you owe or get back.
Free DOT Compliance CheckSee what FMCSA shows for your USDOT number: authority, insurance, safety.
