Tex. Transp. Code § 521.345
(a) The department shall suspend the license of a person on receipt of an order to suspend the license that is issued by:
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Amended by Acts 1997, 75th Leg., ch. 165, Sec. 30.97(a), eff. Sept. 1, 1997.