{"data":{"id":"us/47-cfr-64.2329","jurisdiction":"us","citation":"47 CFR 64.2329","heading":"Format.","body":"(a) A carrier shall provide subscriber list information obtained in its capacity as a provider of telephone exchange service to a requesting directory publisher in the format the publisher specifies, if the carrier's internal systems can accommodate that format.\n(b) If a carrier's internal systems do not permit the carrier to provide subscriber list information in the format the directory publisher specifies, the carrier shall:\n(1) Within thirty days of receiving the publisher's request, inform the directory publisher that the requested format cannot be accommodated and tell the directory publisher which formats can be accommodated; and\n(2) Provide the requested subscriber list information in the format the directory publisher chooses from among the available formats.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER B—COMMON CARRIER SERVICES","PART 64—MISCELLANEOUS RULES RELATING TO COMMON CARRIERS","Subpart X—Subscriber List Information"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"1a4f069b02136a73e2792ce70842f79bbd38936a6bda890bd679ef74b2e1da47","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-64.2325","next":"us/47-cfr-64.2333"},"notice":"GroundRules: Original legal text. Not legal advice."}