(a) Except as otherwise provided by this subchapter, Subchapters D and K, Chapter 55, and Section 55.011, the commission has only the following jurisdiction over a telecommunications utility subject to this subchapter:
(1) to require registration under Section 52.103;
(2) to conduct an investigation under Section 52.104;
(3) to require the filing of reports as the commission periodically directs;
(4) to require the maintenance of statewide average rates or prices of telecommunications service;
(5) to require a telecommunications utility that had more than six percent of the total intrastate access minutes of use as measured for the most recent 12-month period to pass switched access rate reductions under this title to customers as required by Section 52.112;
(6) to require access to telecommunications service under Section 52.105; and
(7) to require the quality of telecommunications service provided to be adequate under Section 52.106.
(b) The authority provided by Subsection (a)(5) expires on the date on which Section 52.112 expires.