Sec. 3817.153. MAINTENANCE TAX. (a) If authorized at an election held in accordance with Section 3817.157, the district may impose an annual ad valorem tax on taxable property in the district to: (1) maintain and operate the district; (2) construct or acquire improvements; or (3) provide a service. (b) The board shall determine the tax rate. Acts 2003, 78th Leg., ch. 1277, Sec. 1, eff. April 1, 2005.