(a) The board may not finance a service or an improvement project under this chapter unless a written petition requesting that service or improvement is filed with the board.(b) The petition must be signed by:(1) the owners of a majority of the assessed value of real property in the district according to the most recent certified tax appraisal roll for Fort Bend County;(2) the owners of a majority of the surface area of real property in the district, according to the most recent certified tax appraisal roll for Fort Bend County, excluding roads, streets, highways, and utility rights-of-way, other public areas, and any other property exempt from assessment under this chapter; or(3) at least 50 owners of land in the district, if more than 50 persons own property in the district according to the most recent certified tax appraisal roll for Fort Bend County. Acts 2003, 78th Leg., ch. 1277, Sec. 1, eff. April 1, 2005.