IFTA accounts may be opened online through the Tennessee Taxpayer Access Point (TNTAP).
IFTA accounts must be accompanied with Tennessee IRP account or IRP exemption reason.
Accounts may also be opened by mail or in person. Complete an International Fuel Tax Agreement application, and submit it to:
Tennessee Department of Revenue
Motor Carrier Section - IFTA
44 Vantage Way, Suite 160
Nashville, TN 37243-8050