Which trucking registrations do you need?

USDOT number

The USDOT number identifies a company to FMCSA for safety oversight: inspections, crashes, audits and compliance reviews are all recorded against it. A company needs one when it operates a commercial motor vehicle in interstate commerce. Under 49 CFR 390.5, that is a vehicle or combination with a gross vehicle weight rating, gross combination weight rating or actual weight of 10,001 lb or more; a vehicle designed or used to carry more than 8 passengers including the driver for compensation, or more than 15 otherwise; or any vehicle carrying hazardous materials in a quantity that needs placards.

"Interstate" is broader than crossing a state line yourself. A load that came from or is headed to another state or country is interstate commerce for every leg, including a local leg from the port or the rail ramp. If your operation is truly intrastate, the federal number may not be required, but many states require a USDOT number for intrastate commercial vehicles anyway; check with your state before assuming you are exempt. For-hire interstate carriers receive a USDOT number when they register for operating authority, whatever their vehicles weigh. Once you have the number, you update it every two years; the MCS-150 due date calculator tells you when.

Operating authority (MC number) and BOC-3

Operating authority is permission to run a business that transports regulated property or passengers in interstate commerce for compensation. Under 49 U.S.C. 13902 and 49 CFR part 365, for-hire motor carriers register with FMCSA and receive a docket number with an MC prefix. Brokers and freight forwarders register too, as brokers (49 U.S.C. 13904) and freight forwarders (13903). Private carriers moving their own goods do not need authority, and neither do carriers that haul only exempt commodities listed in 49 U.S.C. 13506, such as many unprocessed agricultural products. One regulated load changes that.

Authority comes with conditions. A carrier must have liability insurance on file, and a broker must have a surety bond or trust fund in effect before FMCSA registers it (49 CFR 387.307). Every authority holder files a BOC-3, which names a process agent in each state where it operates or that it crosses (49 CFR 366.4); FMCSA does not activate authority without it.

Unified Carrier Registration (UCR)

UCR is an annual state registration with a federal basis (49 U.S.C. 14504a). It covers interstate motor carriers, both for-hire and private, and also brokers, freight forwarders and leasing companies. Registration and payment are due before January 1 of each registration year with your base state, and the fee bracket depends on how many commercial motor vehicles you own or operate. Carriers that run only vehicles under the commercial thresholds generally fall outside UCR unless they hold operating authority. The UCR Plan publishes a questionnaire and the current fees at plan.ucr.gov.

IFTA and IRP

The International Fuel Tax Agreement and the International Registration Plan both apply to power units that travel in two or more member jurisdictions and meet the same weight test. Under IFTA Article R245, a qualified motor vehicle has two axles and a gross or registered weight over 26,000 lb, or three or more axles at any weight, or is used in a combination weighing over 26,000 lb. The IRP's apportionable vehicle uses the same thresholds.

With IFTA, you get one fuel tax license and two decals per truck from your base jurisdiction and file a quarterly return that splits miles and fuel by state. With IRP, you register each power unit once and pay registration apportioned by the distance you run in each jurisdiction, receiving apportioned plates and a cab card. The alternative for an occasional trip is a temporary trip permit and fuel permit for each state you enter. The compliance calendar lists the IFTA quarterly dates.

Commercial driver's license (CDL)

The CDL is a state license with federal standards in 49 CFR part 383, and unlike the USDOT number, it applies to commerce inside one state too. Under 49 CFR 383.5:

• Group A: a combination of 26,001 lb or more where the towed unit is rated over 10,000 lb.
• Group B: a single vehicle of 26,001 lb or more, or one towing a unit of 10,000 lb or less.
• Group C: a smaller vehicle designed for 16 or more passengers including the driver, or one carrying placarded hazardous materials.

Once your drivers need a CDL, the company also runs a DOT drug and alcohol testing program under part 382 and queries the Drug and Alcohol Clearinghouse before hiring and at least once a year.

Form 2290 heavy vehicle use tax

The IRS collects the heavy vehicle use tax on trucks with a taxable gross weight of 55,000 lb or more that use public highways, whether or not they cross state lines. The return covers July 1 to June 30 and is due by the last day of the month after the truck's first use in the period. A truck expected to run 5,000 miles or less (7,500 for agricultural vehicles) still files, claiming a suspension. The amount depends on the weight category; see the IRS page linked below rather than any figure quoted secondhand.

What the checker does not cover

The checker covers the main federal and multi-state registrations. It does not cover state-only requirements such as intrastate authority, weight-distance taxes, oversize permits or state hazmat permits, the FMCSA hazardous materials safety permit for certain high-hazard loads, household goods rules, or insurance minimums. Treat the result as a list to confirm, not a legal opinion.