Tex. Util. Code § 58.253
(a) On customer request, an electing company shall provide private network services to:
Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.
Amended by Acts 2001, 77th Leg., ch. 959, Sec. 9, eff. June 14, 2001;
Acts 2001, 77th Leg., ch. 1220, Sec. 4, eff. Sept. 1, 2001;
Acts 2001, 77th Leg., ch. 1255, Sec. 16, eff. June 15, 2001;
Acts 2001, 77th Leg., ch. 1350, Sec. 7, eff. Sept. 1, 2001.
Acts 2007, 80th Leg., R.S., Ch. 831 (H.B. 735), Sec. 12, eff. September 1, 2008.
Acts 2011, 82nd Leg., R.S., Ch. 903 (S.B. 773), Sec. 2, eff. September 1, 2011.