Tex. Occ. Code § 504.303
If, after investigation of a possible violation and the facts surrounding the possible violation, the department determines that a violation occurred, the department shall give written notice of the violation to the person alleged to have committed the violation. The notice must:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2007, 80th Leg., R.S., Ch. 1373 (S.B. 155), Sec. 18, eff. September 1, 2007.