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.
Official text of the Texas Utilities Code as published by the Texas Legislative Council.