This information applies only to Idaho IFTA licensees, unless otherwise noted.
The International Fuel Tax Agreement (IFTA) is an agreement among 58 jurisdictions – 48 U.S. states and 10 Canadian provinces. The agreement reduces paperwork and standardizes fuel use tax reporting.
Idaho State Tax Commission IFTA Handbook
Motor carriers with a USDOT Number should have received a Prepare for Motus letter informing you of the new USDOT registration system and actions that need to be taken before May 14, 2026. For more information and instructions see Take Action to Prepare for Motus.
Audits
IFTA rules requires Idaho
to audit IFTA accounts
Recordkeeping
Laws and Rules
For fuels taxes and fees