Indiana Code Title 14. Natural and Cultural Resources § 14-27-6-41

Sec. 41.  (a) All bonds issued under this chapter or under IC 13-2-31 (before its repeal) are the direct general obligations of the authority issuing the bonds and are payable out of unlimited ad valorem taxes that shall be levied and collected on all the taxable property within the district.  All officials and bodies involved with the levying of taxes for the district shall ensure that sufficient levies are made to meet the principal and interest on the bonds at the time fixed for payment without regard to any other statute.

(b) The bonds issued under this chapter or under IC 13-2-31 (before its repeal) are exempt from taxation for all purposes.