Sec. 12. (a) This section applies to a provider that holds a certificate of territorial authority to provide local exchange service in Indiana. If a provider:
(1) decides to cease serving all or part of the provider's defined service area; or
(2) plans to file for bankruptcy;
the provider shall provide at least sixty (60) days advance notice to the commission and each affected customer and wholesale provider.
(b) A notice described in subsection (a) must:
(1) be submitted in the form and manner prescribed by the commission; and
(2) include at least one (1) toll free customer service telephone number maintained by the provider to facilitate the continuation of service and the transition of customers to other providers.
(c) The exiting provider is liable for all charges owed to other providers and is responsible for any provider change charges.