2015 GAS-1278 International Fuel Tax Agreement (IFTA) Fuel Tax Rates IFTA Fuel Tax Rates for 2015 Returns Documents 4th qtr 2015 gas 1278 ifta fuel tax rates 3rd qtr 2015 gas 1278 ifta fuel tax rates 2nd qtr 2015 gas 1278 ifta fuel tax rates 1st qtr 2015 gas 1278 ifta fuel tax rates Related Content GAS-1276 International Fuel Tax Agreement (IFTA) Return