{"data":{"id":"us/47-cfr-9.15","jurisdiction":"us","citation":"47 CFR 9.15","heading":"Applicability.","body":"The rules in this subpart F apply to:\n(a) A person engaged in the business of manufacturing, importing, selling, or leasing multi-line telephone systems;\n(b) A person engaged in the business of installing, managing, or operating multi-line telephone systems;\n(c) Any multi-line telephone system that is manufactured, imported, offered for first sale or lease, first sold or leased, or installed after February 16, 2020.","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER A—GENERAL","PART 9—911 REQUIREMENTS","Subpart F—Multi-Line Telephone Systems"],"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":"9583a31791f8d95faeb576b0d18e3601a460f0d75b3c691c16b6cbac685ef26e","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-9.14","next":"us/47-cfr-9.16"},"notice":"GroundRules: Original legal text. Not legal advice."}