2013 GAS-1278 International Fuel Tax Agreement (IFTA) Fuel Tax Rates IFTA Fuel Tax Rates for 2013 Returns Documents 4th qtr 2013 gas 1278 ifta fuel tax rates 3rd qtr 2013 gas 1278 ifta fuel tax rates 2nd qtr 2013 gas 1278 ifta fuel tax rates 1st qtr 2013 gas 1278 ifta fuel tax rates Related Content GAS-1276 International Fuel Tax Agreement (IFTA) Return