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UCR — Unified Carrier Registration

Annual. Registration for the next year opens Oct 1; enforcement begins Jan 1. Administered by UCR Plan / base state. Here is who it applies to, when it falls, and what a late filing actually costs.

Who has to file it

Interstate motor carriers, brokers, freight forwarders, and leasing companies operating in or through the 41 participating states.

When it's due

This one is the same date for everyone: December 31, every year.

Register and pay for the upcoming registration year by Dec 31 to avoid enforcement Jan 1. Fee bracket is set by your fleet size.

What a late filing costs

Fines and out-of-service / roadside enforcement in participating states for operating without a current UCR.

Where the official rule lives

We are a reminder tool, not the agency. The rule itself is published by the UCR Plan / base state, and that page is the one that wins if anything here ever falls out of date:

• https://www.ucr.gov/
• https://www.fmcsa.dot.gov/registration/unified-carrier-registration

The other federal deadlines

Missing one is usually what puts a carrier out of service — they don't arrive together.

• MCS-150 Biennial Update — FMCSA
• Form 2290 — IRS
• IFTA — Base jurisdiction (state)
• IRP — Base jurisdiction (state DMV/DOT)

Get a reminder before this one lands

Enter your USDOT number once and see your next MCS-150 deadline free — then keep the rest of the calendar in one place.

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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.