This subchapter applies only to the board of a subregion that has a principal municipality with a population of more than 1.1 million according to the most recent federal decennial census. Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.Amended by: Acts 2015, 84th Leg., R.S., Ch. 1122 (H.B. 3777), Sec. 8, eff. September 1, 2015.
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