(a) An electing company may increase a rate for a basic network service during the election period prescribed by Section 58.054 only:
(1) with commission approval that the proposed change is included in Section 58.056, 58.057, or 58.058; and
(2) as provided by Sections 58.056, 58.057, 58.058, and 58.059.
(b) Notwithstanding Subchapter F, Chapter 60, an electing company may, on its own initiative, decrease a rate for a basic network service during the electing period.
(c) The company may decrease the rate for a basic local telecommunications service to an amount above the service's appropriate cost. If the company has been required to perform or has elected to perform a long run incremental cost study, the appropriate cost for the service is the service's long run incremental cost.