Tex. Util. Code § 55.252
(a) This section applies only to a telecommunications utility that transports or provides an intrastate 900 service that is:
(2) used by a defendant under the supervision of a community supervision and corrections department or the parole division of the Texas Department of Criminal Justice to:
Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.
Amended by Acts 1999, 76th Leg., ch. 62, Sec. 18.07(a), eff. Sept. 1, 1999.
Acts 2009, 81st Leg., R.S., Ch. 87 (S.B. 1969), Sec. 25.155, eff. September 1, 2009.