Tex. Utilities Code § 52.206: REREGULATION OF MARKET.

The commission, on its own motion or on a complaint that the commission considers to have merit, may assert regulation over a service in a geographic market if:

(1) the incumbent local exchange company or holder of a certificate of operating authority who was previously a dominant carrier is found to again be dominant for the service in that geographic market; or

(2) the provider of services under a certificate of operating authority or service provider certificate of operating authority is found to be dominant for the service in that geographic market.

Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.