This part creates a fair franchising process for cable and video services and codifies the terms of the franchise in state law. This part does not alter existing state law regarding local control of public rights-of-way or the police powers of local government. This part does not alter or restrict the right of any municipality or county to impose ad valorem taxes, sales taxes, or other taxes of general applicability. This part does not alter or restrict in any manner the application of the Broadband Business Certainty Act of 2006, compiled in title 65, chapter 5, part 2. This part does not alter in any manner the provisions contained in chapter 52, part 6 of this title. This part does not alter or apply in any manner to wholesale telecommunications access by competitive local exchange carriers. It is the intent of this part to confer a limited role on the Tennessee public utility commission, referred to in this part as the “department”, which will be ministerial and narrowly construed, except to the extent otherwise specifically provided for in this part, and no rulemaking authority is provided by this part.