Who runs IFTA in Utah, and where do you file?

The Utah State Tax Commission. The tax account, the license, the decals and the quarterly return all live there, opened through online business tax registration or Taxpayer Access Point, with filing help from the commission's Miscellaneous Taxes unit at (801) 297-7710. Motor Carrier Services at the Utah DMV handles the carrier services side such as IRP, so expect two agency doors in Salt Lake rather than one.

When is the Utah IFTA return due, and what does lateness cost?

Form TC-922 is due the last day of the month after each quarter closes: April 30, July 31, October 31 and January 31, rolling to the next business day when that lands on a weekend or legal holiday. Utah applies its own penalty statute to IFTA, so a late return draws the greater of $20 or a tiered percent of the unpaid tax, from 2 percent within five days late up to 10 percent beyond fifteen, with a matching penalty for failure to pay.

What does a Utah IFTA license cost, and where do decals come from?

The Tax Commission publishes no license fee; the published charges are $4.00 per decal set on the TC-937 renewal and a $100 reinstatement fee after a revocation. Renewals are due by December 31 each year, and decals are only available at the Salt Lake and Washington County tax offices. The sourced amounts render on the Utah IFTA page.

Utah walkthrough

Utah IFTA Filing Walkthrough (Quarterly)

Utah IFTA: the Tax Commission runs the account, TC-922 files through TAP, decals run $4 a set at two offices, renewal lands December 31.

By Evan Reid, Founder of Haul Handbook · Updated Sep 26, 2026 · 6 min read

Most states park IFTA inside a motor vehicle office or a revenue department's carrier desk. Utah splits the job in two: the State Tax Commission owns the license, the tax account and the return, while Motor Carrier Services at the DMV runs the carrier services side of the house. The commission moved the quarterly return fully electronic in 2021 and never looked back, so there is no paper Form TC-922 to mail at all. The sourced fees, deadlines and penalty figures render on the Utah IFTA page; this walkthrough puts them in the order you will meet them.

Step 1: check that Utah is your base jurisdiction

Three things make Utah your base jurisdiction, and the commission states them as a test: you operate IFTA qualified motor vehicles, your interstate carrier business is based in Utah, and you keep operational control and records for the vehicles in Utah or can make them available there. Utah Code 59-13-502 carries the agreement into state law, so the base jurisdiction definition you are tested against is the agreement's own.

The qualified vehicle test is the standard one: two axles with a gross or registered weight over 26,000 pounds, three or more axles whatever the weight, or a combination over that same line, with recreational vehicles excluded. A truck that clears it and never leaves Utah still has a Utah obligation, just not this one. Intrastate-only qualified vehicles carry the Special Fuel User permit instead of an IFTA license, with free decals, under Utah Code 59-13-303. Out-of-state carriers making an occasional entry buy the special fuel user trip permit: $25, valid 96 hours or until the vehicle leaves the state, whichever comes first.

Step 2: open the account at TAP

The account opens through TC-69 online business tax registration or directly in the Taxpayer Access Point at tap.tax.utah.gov/TaxExpress. An ownership change means re-applying there with a fresh TC-69 rather than amending the old account, a detail the renewal form's own instructions spell out. Technical trouble with the portal goes to (801) 297-3996 or tapsupport@utah.gov; questions about the tax itself go to the commission's Miscellaneous Taxes unit at (801) 297-7710.

One honest gap worth naming: the commission publishes no license fee. The IFTA and Special Fuel User page opens the account and names no charge for it, and the renewal bill prices only decals. Rather than guess a number, our Utah IFTA page records no license fee and carries the two charges Utah does publish, the decal set and the reinstatement fee.

Step 3: file TC-922 each quarter, electronically

The return is Form TC-922, IFTA Tax Return, with its accompanying schedules, and the commission's rule is blunt: Form 922 and accompanying schedules must be filed electronically beginning April 1, 2021 for the first quarter return. There is no paper alternative printed anywhere on the commission's IFTA page, so the portal is the filing cabinet.

The due dates come from the agreement itself, Articles of Agreement R960: the tax return and full payment of taxes are due on the last day of the month following the close of the reporting period. On the calendar that means April 30, July 31, October 31 and January 31, and when the last day lands on a Saturday, Sunday or legal holiday the next business day is the due date. The mechanics of assembling the return by jurisdiction are the same everywhere; our how to file IFTA guide walks them, and the IFTA calculator does the per-jurisdiction math before you key it into TAP.

Step 4: know what a missed quarter costs

This is where Utah genuinely differs from the pack, because the state wrote its own penalty hook into the agreement. Utah Code 59-13-502(3) applies the penalty provisions of Utah Code 59-1-401 to the interstate agreements part, and 59-1-401 runs on tiers rather than the flat $50-or-10-percent default the agreement offers member jurisdictions:

The late-filing penalty is the greater of $20 or 2 percent of the unpaid tax if you file no later than five days after the due date.
It steps to 5 percent if you file more than five days late but no later than fifteen, and 10 percent beyond fifteen days.
The failure-to-pay penalty runs the same greater-of tiers when the return goes in on time but the money does not.
Amended returns and returns with no tax due draw no late-filing penalty at all.

Interest on delinquent IFTA tax does not run through Utah's general interest statute, since 59-1-402 excludes the interstate agreements part from its scope. It runs under the agreement: Articles of Agreement R1230 sets interest for a fleet based in a U.S. jurisdiction at two percentage points above the federal underpayment rate from Section 6621(a)(2) of the Internal Revenue Code, adjusted each January 1 and accruing monthly at one twelfth of the annual rate.

Skip the return entirely and the machinery gets worse. Under the agreement's assessment rule the commission works from the best information available to it, computes your liability for every jurisdiction, and serves an assessment that is presumed correct. A license revoked for noncompliance reinstates only after you cure what caused the revocation and pay a $100 reinstatement fee.

Step 5: renew by December 31 and place the decals right

The license runs on the calendar year, and renewals are due by December 31 on Form TC-937, the renewal application and decal request. The form asks for your IFTA account number, IRP number and U.S. DOT number, requests decal sets for the coming year at $4.00 per set, and wants the whole thing back within 10 days. One condition on the form deserves bold type: the account will not be renewed unless all returns are filed and paid in full. A skipped quarter from the summer catches you at renewal season, not years later.

A decal set is two decals, one on each side of the cab, and a copy of the license rides in each qualified vehicle. The catch is where you collect them: IFTA decals are only available at the Salt Lake and Washington County tax offices, so a carrier in St. George plans one trip and a carrier in Logan plans another.

The Utah shape, in short

Four things to remember. The program belongs to the Tax Commission, with filing help at (801) 297-7710 and carrier services through Motor Carrier Services at the DMV, (801) 297-6800. The return is electronic-only, TC-922 through TAP, on the standard quarter-end clock. Late costs run on Utah's own tiered schedule, $20 minimum, not the agreement's default. And the trucks that never leave the state are not on this return at all; they ride the Special Fuel User permit with its free decals. Current rates by jurisdiction render on the IFTA rates by state table.