(a) The board may issue bonds under Section 1077.201 payable from ad valorem taxes. If the bonds are payable from ad valorem taxes, the board shall impose an ad valorem tax to create an interest and sinking fund sufficient to pay the principal of and interest on the bonds as the bonds mature.
(b) The tax required by this section together with any other ad valorem tax the district imposes may not in any year exceed 75 cents on each $100 valuation of all taxable property in the district.