14:10-12.10 E-911 Number unlocking
(a) A TSP that departs a service territory shall unlock all of its telephone numbers in the E-911 database, in accordance with the National Emergency Numbering Association standards, so as to provide the acquiring TSP or alternative TSP with access to the departing TSP's end users' E-911 records.
(b) In unlocking its E-911 numbers, the departing TSP shall comply with the National Emergency Numbering Association's (NENA) standards for local number portability, contained in NENA Recommended Data Standards For Local Exchange Carriers, ALI Service Providers 9-1-1 Jurisdictions — NENA 02-011, which is incorporated herein by reference, as amended and supplemented, and may be obtained at www.nena.org.
(c) In addition, the departing TSP shall submit a letter to the appropriate E-911 service provider, authorizing the E-911 service provider to unlock any remaining E-911 records after the TSP's departure. This letter shall be provided at least 30 days prior to the TSP's planned departure date.