(a) The board may order an election to increase the district’s maximum tax rate to a rate not to exceed 75 cents on each $100 valuation of taxable property in the district.
(b) The maximum tax rate may not be increased unless the increase is approved by a majority of the district voters voting in an election held for that purpose.

(c) An election held under this section must be ordered and notice must be given in the manner provided for a bond election under Subchapter E.