Compliance
IRP in Tennessee: Apportioned Registration, Fees and the Distance Schedule
Tennessee carriers that run qualified vehicles into other states or provinces register under IRP with the Tennessee Department of Revenue's Vehicle Services Division, and pay an apportioned fee split by where the fleet actually drives. Here's how the credential works in Tennessee, what drives the fee, and where the distance figures come from.
Who Administers IRP in Tennessee
Tennessee administers IRP through the Department of Revenue, which also runs the state's IFTA program through TNTAP — one agency and one portal for both. Tennessee borders eight states, more than any other except Missouri, and a Memphis or Nashville distribution fleet crosses a line as a matter of routine, registering with Tennessee as its base jurisdiction.
The threshold is the Plan's: a power unit over 26,000 pounds gross or registered weight, or with three or more axles, or in a combination over 26,000 pounds, operating in two or more member jurisdictions. Trailers are not apportioned; they carry an ordinary plate and travel on the power unit's cab card.
What Drives the Tennessee Apportioned Fee
The fee is the sum of every jurisdiction's registration fee for the vehicle's weight class, each weighted by the fleet's percentage of distance there over the twelve months ending June 30 before the registration year. Registered weight is the largest lever, and the distance split is the second.
The Tennessee schedule reflects those eight borders: Kentucky, Georgia, Alabama, Mississippi, Arkansas, Virginia and the Carolinas can all appear in a regional fleet's July-to-June distance, with I-40 and I-65 adding the coasts and the Midwest for long-haul operations. Kentucky's KYU weight-distance tax applies to the Kentucky miles on top of IRP and IFTA, which a Memphis fleet running north meets on its first trip. Telematics distance-by-jurisdiction reporting, from continuously logged position, produces the schedule per unit, the IFTA quarter and the KYU miles from one dataset.
Roadside and Audit
The Tennessee Highway Patrol's Commercial Vehicle Enforcement operates the weigh stations on I-40, I-65, I-75 and I-24, checking cab cards, IFTA decals and ELD records together. A fleet with all of them current from one telematics record is the one that spends the least time at the scale.
The base jurisdiction can audit the distance behind an application for three years after the registration year closes, and asks for trip-level distance by jurisdiction tied to a unit and a date. GPS trip logs behind a distance report answer that; reconstructed trip sheets get the fee recalculated.
Frequently asked questions
Who handles IRP registration in Tennessee?
The Tennessee Department of Revenue's Vehicle Services Division. Applications, renewals and supplements for the apportioned plate and cab card go through that office.
Does a Tennessee truck that never leaves the jurisdiction need IRP?
No. IRP applies to qualified vehicles operating in two or more member jurisdictions. A vehicle that stays home registers the ordinary way, and an occasional trip can use a trip permit instead.
What distance does the Tennessee IRP renewal use?
Actual distance in each jurisdiction for the twelve months ending June 30 before the registration year, per vehicle. A first-year fleet with no history uses the base jurisdiction's average distance chart.
Is IRP the same as IFTA?
No. IRP apportions the annual registration fee; IFTA settles quarterly fuel tax. They share a weight threshold and both need distance by jurisdiction, but they are separate credentials, and in many jurisdictions separate agencies.
How long must IRP distance records be kept?
At least three years after the close of the registration year they support, since that is the audit window.
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