Idaho State Tax Commission

IFTA Licensees

tax.idaho.gov/ifta

IFTA Carriers: Read our instructions on how to calculate miles per gallon on your IFTA returns during the fuel tax holidays for Maryland, Georgia, and Connecticut. The instructions are available on the Fuels Tax Hub webpage under “Forms, instructions, and other documents.”.

The information in this section applies only to Idaho IFTA licensees, unless otherwise noted.

Idaho contact list

Help with IFTA licenses, decals, returns
iftahelpdesk@tax.idaho.gov
Call: (208) 334-7806 Boise — or toll-free: (800) 972-7660, ext. 7806
Fax: (208) 334-7650
Form 75 Questions (if filed with an IFTA return) can also go to:
Call: (208) 334-7806 — or toll-free: (800) 972-7660, ext. 7806

IFTA Collection Unit
Call: (208) 334-7648 Boise — or toll-free: (800) 972-7660, ext. 7648
Fax: (208) 334-7678

IFTA Audit Unit
Call: (208) 334-7601 Boise — or toll-free: (800) 972-7660, ext. 7601
Call: (208) 332-4081 Boise — or toll-free: (800) 972-7660, ext. 4081
Fax: (208) 332-6619

Fuels Tax Policy
taxpolicy@tax.idaho.gov
Call: (208) 334-7855 Boise — or toll-free: (800) 972-7660, ext. 7855
Fax: (208) 334-7844

Fuel purchased from an Idaho Indian reservation
Call: (208) 334-7855 Boise — or toll-free: (800) 972-7660, ext. 7855
Call: (208) 332-4081 Boise — or toll-free: (800) 972-7660, ext. 4081

IFTA: Other state agencies

Idaho Transportation Department
Call: (208) 334-8000 Boise

trucking.idaho.gov
Call: (208) 334-8611 Boise
Fax: (208) 334-2006

Vehicle Titles
Call: (208) 334-8663 Boise
Fax: (208) 334-8658

Idaho Ports of Entry
Call: (208) 334-8688 Boise
Fax: (208) 334-8696

Commercial Vehicle Section, Idaho State Police
Call: (208) 884-7220 Boise
Fax: (208) 884-7192

IFTA: Federal agencies

Federal Highway Administration
Call: (208) 334-1843 Boise
Fax: (208) 334-1691

Federal Motor Carrier Safety Administration
Call: (208) 334-1842 Boise
Fax: (208) 334-1691

Addresses for key IFTA contacts in Idaho

IFTA forms & publications
Idaho State Tax Commission
PO Box 36
Boise ID 83722-0410

Commercial Vehicle Services
Idaho Transportation Department
PO Box 7129
Boise ID 83707-7129

February 20, 2021

This information is for general guidance only. Tax laws are complex and change regularly. We can't cover every circumstance in our guides. This guidance may not apply to your situation. Please contact us with any questions. We work to provide current and accurate information. But some information could have technical inaccuracies or typographical errors. If there's a conflict between current tax law and this information, current tax law will govern.