(a) The authority is composed of the territory described by Section 8A, Chapter 831, Acts of the 75th Legislature, Regular Session, 1997, as added by Section 5, Chapter 1312, Acts of the 76th Legislature, Regular Session, 1999, as that territory may have been modified under this chapter or other law.
(b) The boundaries of the authority are the same as the boundaries of the real property described by Subsection (a).