This subchapter applies only to a county:

1. (1) with a population of more than 3.3 million; or
2. (2) with a population of more than 90,000 that borders the United Mexican States other than a county that contains three or more municipalities that each have a population of more than 23,000.

Added by Acts 1999, 76th Leg., ch. 227, Sec. 1, eff. Sept. 1, 1999.

Amended by Acts 2001, 77th Leg., ch. 669, Sec. 25, eff. Sept. 1, 2001.

Acts 2023, 88th Leg., R.S., Ch. 644 (H.B. 4559), Sec. 56, eff. September 1, 2023.