UCR requirements: who registers, and in which state

Who has to register?

Anyone engaged in interstate commerce: motor carriers of property or passengers, brokers, freight forwarders and leasing companies. Private carriers count too — hauling only your own goods does not exempt you.

Brokers and freight forwarders register even though they may operate no vehicles at all. They simply fall into the lowest bracket.

Who does not?

Purely intrastate operators who never cross a state line and never carry freight moving in interstate commerce. That second half catches people out: hauling a container between two points in your own state can still be interstate commerce if the freight itself is part of an interstate journey.

How many vehicles do I count?

Your bracket is set by the number of commercial motor vehicles you operated during the previous 12 months — not what you own on the day you file. The figure most carriers use is the vehicle count from their most recent MCS-150 update.

Because it looks backwards, a fleet that shrank during the year can drop into a cheaper bracket. Trailers are not counted — the brackets are about power units.

The full ladder, with the government portion of each band shown separately, is on the UCR fee bracket page.

What is a base state?

UCR is collected by states, not by the federal government, so every registrant is assigned to one. You register and pay once, with your base state, and that single registration covers you in every state you operate in.

Normally your base state is simply the state where your principal place of business is. The rules only get interesting when it is not available.

What if my state does not participate?

Nine states and the District of Columbia do not take part in the UCR Agreement. Being based in one of them does not exempt you — you pick a participating state instead, in this order:

First, any participating state where you keep an office or operating facility. If you have none, the participating state nearest to your principal place of business. Failing that, any participating state within your FMCSA region.

The list of which states participate is on the fee page, checked against the UCR Plan's own register.

What if I am based in Canada or Mexico?

The same requirement applies. A Canadian or Mexican carrier running into the United States registers for UCR like any US carrier, and selects a participating US state as its base state — assigned by geography from the home province or state.

In practice that means a carrier in Ontario and a carrier in Ohio go through an identical process and pay an identical fee for the same fleet size. Cross-border carriers also need a BOC-3 process agent designation before the FMCSA will grant operating authority.

When is it due?

The registration window opens on 1 October for the following calendar year, and the fee must be paid before 1 January. Enforcement begins on the first day of the registration year, and there is no grace period.

The dates, the penalties and what to do if you have already missed one are covered on the UCR renewal page.

Is UCR the same as IFTA, IRP or MCS-150?

No — they are four separate obligations and needing one says nothing about the others. UCR is a flat annual fee by fleet size. IFTA is quarterly fuel tax reporting. IRP is apportioned plate registration. The MCS-150 is a census update with no fee at all.

What happens if I do not register?

The fee is still owed, and states enforce UCR independently at roadside and at scales. Penalties vary by state and can include fines and being placed out of service until the registration is current. Filing late costs you the fee; being stopped costs you considerably more.