Tex. Utilities Code § 58.023
SERVICE CLASSIFICATION.
On election, the services provided by an electing company are classified into two categories:
(1) basic network services governed by Subchapter C; and
(2) nonbasic services governed by Subchapter E.
(3) Renumbered (2) by Acts 1999, 76th Leg., ch. 1212, Sec. 36, eff. Sept. 1, 1999