International Fuel Tax Agreement (IFTA)

Taxpayer Access Point (TAP)

File, pay, and manage your IFTA, IRP, Fuel Tax, and Fuel Tax Refund Permit accounts.

How to get your license and decals

Learn how to apply for an IFTA license and get your decals.

Filing IFTA tax returns

Find out how to file your quarterly IFTA tax return in Washington, and how to get copies of your returns.

IFTA gas tax holidays

Find out how to fill out your IFTA tax returns if you travelled in a jurisdiction that had a gas tax holiday.

Recordkeeping requirements

IFTA requires motor carriers to keep detailed records for each vehicle. Find out what's required.