47 CFR §9.30

1. (a)Non-rural wireline providers, nationwide CMRS providers, covered text providers, and interconnected VoIP providers shall—
   1. (1)Comply with the Phase 1 requirements set forth in § 9.29(a) by six months after receiving a Phase 1 valid request from a 911 Authority, as set forth in § 9.31(a); and
   2. (2)Comply with the Phase 2 requirements set forth in § 9.29(b) by:
      1. (i)Six months after receiving a Phase 2 valid request from a 911 Authority, as set forth in § 9.31(b); or
      2. (ii)If the 911 Authority's Phase 2 valid request is made before the originating service provider is compliant with the Phase 1 requirements or is made before the Phase 1 implementation deadline, six months after the earlier of:
         1. (A)The date when the originating service provider is compliant with the Phase 1 requirements set forth in § 9.29(a); or
         2. (B)The implementation deadline set forth in paragraph (a)(1) of this section.
2. (b)RLECs, non-nationwide CMRS providers, and internet-based TRS providers shall—
   1. (1)Comply with the Phase 1 requirements set forth in § 9.29(a) by 12 months after receiving a Phase 1 valid request from a 911 Authority, as set forth in § 9.31(a); and
   2. (2)Comply with the Phase 2 requirements set forth in § 9.29(b) by:
      1. (i)12 months after receiving a Phase 2 valid request from a 911 Authority, as set forth in § 9.31(b); or
      2. (ii)If the 911 Authority's Phase 2 valid request is made before the originating service provider is compliant with the Phase 1 requirements or is made before the Phase 1 implementation deadline, 12 months after the earlier of:
         1. (A)The date when the originating service provider is compliant with the Phase 1 requirements set forth in § 9.29(a); or
         2. (B)The implementation deadline set forth in paragraph (b)(1) of this section.