(a) An incumbent local exchange company may file with the commission tariffs for switched-access service that have been approved by the Federal Communications Commission. The tariffs must include all rate elements in the company's interstate access tariff other than end-user charges.
(b) Not later than the 60th day after the date a company files tariffs under Subsection (a), the commission shall order the rates and terms to be the incumbent local exchange company's intrastate switched-access rates and terms if, on review, the tariffs contain the same rates and terms, excluding end-user charges, as approved by the Federal Communications Commission.