Tex. Occ. Code § 1701.456
(b) A law enforcement agency, agency head, or other law enforcement official is not liable for civil damages for:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2005, 79th Leg., Ch. 1298 (H.B. 2677), Sec. 5, eff. September 1, 2005.
Acts 2021, 87th Leg., R.S., Ch. 834 (S.B. 24), Sec. 5, eff. September 1, 2021.
Acts 2023, 88th Leg., R.S., Ch. 1104 (S.B. 1445), Sec. 18, eff. September 1, 2023.