Tex. Occ. Code § 202.602
(b) The department, during reasonable business hours, may enter the business premises of a person regulated by the department under this chapter without notice to:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2005, 79th Leg., Ch. 26 (S.B. 402), Sec. 21, eff. September 1, 2005.
Acts 2017, 85th Leg., R.S., Ch. 282 (H.B. 3078), Sec. 58, eff. September 1, 2017.
Acts 2019, 86th Leg., R.S., Ch. 1144 (H.B. 2847), Sec. 8.005, eff. September 1, 2019.