Sec. 212.301. APPLICABILITY. (a) This subchapter applies to a municipality that is located in a county that: (1) contains a municipality with a population of more than 500,000; and (2) is adjacent to an international border. (b) This subchapter applies only to land that is located within the boundaries of a municipality. Added by Acts 2025, 89th Leg., R.S., Ch. 1007 (S.B. 1579), Sec. 1, eff. September 1, 2025.