Exhibit 12(b) CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, Laura F. Fergerson, Chief Executive Officer of the FRANKLIN FEDERAL TAX-FREE INCOME FUND (the "Registrant"), certify, pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge: 1. The periodic report on Form N-CSR of the Registrant for the period ended 4/30/2009 (the "Form N-CSR") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2. The information contained in the Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Registrant. Dated: 6/25/2009 S\LAURA F. FERGERSON Laura F. Fergerson Chief Executive Officer - Finance and Administration CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, Gaston Gardey, Chief Financial Officer of the FRANKLIN FEDERAL TAX-FREE INCOME FUND (the "Registrant"), certify, pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge: 1. The periodic report on Form N-CSR of the Registrant for the period ended 4/30/2009 (the "Form N-CSR") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2. The information contained in the Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Registrant. Dated: 6/25/2009 S\GASTON GARDEY Gaston Gardey Chief Financial Officer and Chief Accounting Officer