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Annual renewal. The exact due month is set by your base state and varies (staggered registration). Administered by Base jurisdiction (state DMV/DOT). Here is who it applies to, when it falls, and what a late filing actually costs.
Carriers operating apportioned (interstate) vehicles registered under the International Registration Plan.
Not federally deterministic — the renewal month is assigned by your base jurisdiction. The tool stores your renewal month once you enter it, then reminds you annually.
We do not calculate this one, and we will not pretend to. There is no federal formula behind it: only your base jurisdiction knows your month. Ask them once, and the reminder is yours from then on.
Expired apportioned plates = citations, fines, and out-of-service risk at roadside / scales.
We are a reminder tool, not the agency. The rule itself is published by the Base jurisdiction (state DMV/DOT), and that page is the one that wins if anything here ever falls out of date:
Enter your USDOT number once and see your next MCS-150 deadline free — then keep the rest of the calendar in one place.
Check my date →DOTDeadline is an independent reminder tool. It is NOT affiliated with, endorsed by, or connected to the FMCSA, the U.S. DOT, the IRS, or any government agency. General information only — not legal, tax, or compliance advice. Always confirm with the official agency.