Sec. 161.001.  APPLICABILITY OF CHAPTER.  This chapter applies only to:
(1)  a county that:
(A)  contains a municipality that has a population of 500,000 or more;
(B)  is located on the international border; and
(C)  before September 1, 2009, had a county ethics board appointed by the commissioners court;
(2)  a county that:
(A)  has a population of 425,000 or more;
(B)  is adjacent to a county with a population of 3.3 million or more; and
(C)  contains a portion of the San Jacinto River; and
(3)  a county that has a population of less than 50,000 that is adjacent to a county with a population of more than 3.3 million.
Added by Acts 2009, 81st Leg., R.S., Ch. 799 (S.B. 1368), Sec. 1, eff. September 1, 2009.
Amended by: 
Acts 2011, 82nd Leg., R.S., Ch. 1163 (H.B. 2702), Sec. 75, eff. September 1, 2011.
Acts 2019, 86th Leg., R.S., Ch. 1070 (H.B. 1495), Sec. 4, eff. June 14, 2019.
Acts 2023, 88th Leg., R.S., Ch. 644 (H.B. 4559), Sec. 137, eff. September 1, 2023.