Section 26-75-612 - Tax exemption for bonds(a) The principal of and interest on bonds issued under the authority of this subchapter shall be exempt from all state, county, and municipal taxes.(b) This exemption shall include income, inheritance, and estate taxes.Acts 1965, No. 185, § 6; 1969, No. 123, § 3; 1971, No. 188, § 1; A.S.A. 1947, § 19-4617.