Sec. 3815.155.  MAINTENANCE TAX.  (a)  If authorized at an election held in accordance with Section 3815.159, the district may impose an annual ad valorem tax on taxable property in the district to:
(1)  maintain and operate the district and the improvements constructed or acquired by the district;  or
(2)  provide a service.
(b)  The board shall determine the tax rate.
Acts 2003, 78th Leg., ch. 1277, Sec. 1, eff. April 1, 2005.