Tex. Utilities Code § 60.161: INCUMBENT LOCAL EXCHANGE COMPANY REQUIREMENTS.

An incumbent local exchange company may not unreasonably:

(1) discriminate against another provider by refusing access to the local exchange;

(2) refuse or delay an interconnection to another provider;

(3) degrade the quality of access the company provides to another provider;

(4) impair the speed, quality, or efficiency of a line used by another provider;

(5) fail to fully disclose in a timely manner on request all available information necessary to design equipment that will meet the specifications of the local exchange network; or

(6) refuse or delay access by a person to another provider.

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