Tex. Util. Code § 56.021
The commission shall adopt and enforce rules requiring local exchange companies to establish a universal service fund to:
(1) assist telecommunications providers in providing basic local telecommunications service at reasonable rates in high cost rural areas under two plans:
Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.
Amended by Acts 1999, 76th Leg., ch. 62, Sec. 18.08(a), eff. Sept. 1, 1999;
Acts 1999, 76th Leg., ch. 835, Sec. 2, eff. Sept. 1, 1999;
Acts 1999, 76th Leg., ch. 1212, Sec. 23, eff. Sept. 1, 1999;
Acts 1999, 76th Leg., ch. 1553, Sec. 1, eff. Sept. 1, 1999;
Acts 2001, 77th Leg., ch. 651, Sec. 2, eff. Sept. 1, 2001;
Acts 2001, 77th Leg., ch. 1451, Sec. 2, eff. Sept. 1, 2001;
Acts 2003, 78th Leg., ch. 76, Sec. 5, eff. Sept. 1, 2003;
Acts 2003, 78th Leg., ch. 1276, Sec. 17.001, eff. Sept. 1, 2003.
Acts 2005, 79th Leg., 2nd C.S., Ch. 2 (S.B. 5), Sec. 12, eff. September 7, 2005.
Acts 2011, 82nd Leg., R.S., Ch. 314 (H.B. 2295), Sec. 1, eff. June 17, 2011.
Acts 2013, 83rd Leg., R.S., Ch. 532 (S.B. 512), Sec. 2, eff. September 1, 2013.
Acts 2017, 85th Leg., R.S., Ch. 48 (S.B. 1976), Sec. 3, eff. September 1, 2017.