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Comparison

UCR vs IRP vs IFTA: three multi-state programs compared

Quick answer

UCR is annual carrier registration under 49 USC §14504a - fee-based on fleet count, paid through any of the 41 UCR-participating states by December 31 each year. IRP is multi-state vehicle registration under the IRP Plan and 49 CFR Part 384 - apportioned by miles per state, paid annually to the carrier's IRP base state. IFTA is quarterly fuel-tax coordination - based on miles driven and fuel purchases in each jurisdiction, with returns due April 30, July 31, October 31, and January 31. UCR applies to any interstate carrier operating commercial motor vehicles of 10,001+ lbs GVWR or GVW; IRP and IFTA add on for qualified motor vehicles over 26,000 lbs GVW or with three or more axles, and all three run on different schedules through different agencies. UCR is the carrier-identity registration; IRP is the vehicle-plate apportionment; IFTA is the per-gallon diesel tax. State weigh stations check all three at roadside inspections via the PRISM and IRP databases, and a lapse in any one triggers civil penalties.

Reviewed by Korey Sharp-Paar · Updated

IFTA - the fuel-tax coordination layer

IFTA (International Fuel Tax Agreement) is the multi-state fuel-tax coordination program. The carrier files quarterly returns with their IFTA base state reporting per-state miles traveled and per-state gallons of fuel purchased. The base state calculates per-state fuel-tax liability based on each state's posted rate, applies credits for fuel purchased in each state, and either refunds the carrier (if fuel-tax-paid-at-pump exceeds liability) or charges the net.

IFTA covers fuel taxes only - it does not cover the federal HVUT (Form 2290), which is a separate federal vehicle-use tax. The two run in parallel: HVUT is annual federal vehicle tax; IFTA is quarterly state fuel tax. Both apply to most interstate carriers operating heavy vehicles.

How do UCR and IRP / IFTA compare?

AttributeUCRIRP / IFTA
Authority49 USC §14504aIRP: IRP Plan (multi-state agreement). IFTA: IFTA Articles of Agreement.
TypeCarrier registrationIRP: vehicle registration. IFTA: fuel-tax coordination.
ScheduleAnnual (registration year)IRP: annual (carrier fleet anniversary). IFTA: quarterly.
Fee basisTier (fleet count)IRP: per-state mileage apportionment. IFTA: variable per quarter.
CoverageNationwide carrier registrationIRP: IRP member jurisdictions. IFTA: IFTA member jurisdictions.
Triggers atAny interstate operationIRP and IFTA: 26,001+ lbs or 3+ axles, 2+ states
ReceiptUCR receipt (PDF)IRP: apportioned plate + cab card. IFTA: license + decals.

When should you choose UCR or IRP / IFTA?

When to choose UCR

UCR - the carrier registration layer

UCR (Unified Carrier Registration) is the federal-state coordinated annual carrier registration program under 49 USC §14504a. Every interstate carrier subject to FMCSA jurisdiction files UCR annually through their base state (or a participating state if base state is non-participating). Fees are tier-based on power-unit count: Tier 1 ($55) for 0-2 vehicles up to Tier 6 ($54,165) for 1,001+ vehicles. The annual receipt is recognized nationally.UCR doesn't cover vehicle registration or fuel taxes - it covers the carrier-level registration that confirms the carrier exists in the federal-state UCR system. State troopers and brokers use UCR compliance as a baseline check; enforcement of UCR is by the participating states, and the consequences are set by each state.

When to choose IRP / IFTA

IRP - the vehicle registration layer

IRP (International Registration Plan) is the multi-state vehicle registration program issuing apportioned plates that authorize each registered vehicle to operate across IRP member jurisdictions (the 48 contiguous US states plus most Canadian provinces). The carrier registers each vehicle through their IRP base state; the apportioned plate replaces individual state registrations.IRP fees are calculated by per-state mileage apportionment - a carrier running 80% of miles in Texas owes Texas 80% of the apportioned registration fee for each truck. Annual cost varies by route mix, vehicle weight, and base state.

What's the next step in your filing?

File UCR - the carrier-registration layer

We prepare your UCR registration; it is submitted to the National UCR System. Tier 1 (0-2 power units) is $90 ($55 UCR government fee + $35 service fee). IRP and IFTA are separate filings handled by your IRP/IFTA base state.

Start your UCR order - from $90

This page is informational and is not legal advice. Verify regulatory requirements against the current text of 49 USC §14504a, the IRP Plan, and the IFTA Articles of Agreement before relying on this comparison.

Independent filing service operated by Fast Filing Group LLC. Not affiliated with FMCSA, USDOT, UCR.gov or any government agency.

Frequently asked questions

Do all three apply to every carrier?

For interstate carriers running vehicles 26,001+ lbs (or 3+ axles) in 2+ jurisdictions, all three typically apply: UCR annually, IRP for vehicle registration, IFTA quarterly for fuel taxes. Lighter interstate fleets (10,001-26,000 lbs) usually owe UCR only - UCR's CMV threshold is 10,001 lbs GVWR/GVW, while IRP and IFTA start at 26,001+ lbs or 3+ axles. Purely intrastate carriers may owe none of the three.

Can I file all three through one provider?

Some compliance services bundle UCR, IRP, and IFTA support into single carrier intakes. Each program has its own filing system though - UCR through participating-state portals, IRP through the carrier's base state, IFTA through the IFTA base state. The provider consolidates the carrier-facing workflow but the underlying systems are separate.

How are the costs structured?

UCR: $55-$54,165 annually based on tier (fleet count). IRP: apportioned by per-state mileage and vehicle weight; the cost varies by route mix and base state. IFTA: variable per-quarter based on fuel taxes due, can be negative (refund) if more fuel tax was paid at pump than owed.

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