This subchapter applies only to:

1. (1) a county with a population of more than 3.3 million; or
2. (2) a county adjacent to a county with a population of more than 3.3 million.

Added by Acts 1997, 75th Leg., ch. 165, Sec. 30.18(a), eff. Sept. 1, 1997.

Amended by Acts 2001, 77th Leg., ch. 669, Sec. 131, eff. Sept. 1, 2001;

Acts 2003, 78th Leg., ch. 670, Sec. 1, eff. June 20, 2003.