2021 GAS-1278 International Fuel Tax Agreement (IFTA) Fuel Tax Rates IFTA Fuel Tax Rates for 2021 Returns Documents Gas-1278 4th Quarter 12-1-21_web_v1_Final.pdf Gas-1278 3rd Quarter 9-8-21_web_v1_Final.pdf Gas 1278 2nd Quarter 6 7 21 web v1 Final Gas 1278 1st Quarter 3 15 21 web v1 Final Related Content GAS-1276 International Fuel Tax Agreement (IFTA) Return This page was last modified on 12/15/2021