Code of Federal Regulations > Title 47 > Chapter I > Part 9 - PART 9—911 REQUIREMENTS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

Subpart A [§ 9.1 - § 9.3] - Subpart A—Purpose and Definitions

Subpart B [§ 9.4 - § 9.8] - Subpart B—Telecommunications Carriers

Subpart C [§ 9.9 - § 9.10] - Subpart C—Commercial Mobile Radio Service

Subpart D [§ 9.11 - § 9.12] - Subpart D—Interconnected Voice over Internet Protocol Services

Subpart E [§ 9.13 - § 9.14] - Subpart E—Telecommunications Relay Services for Persons with Disabilities

Subpart F [§ 9.15 - § 9.17] - Subpart F—Multi-Line Telephone Systems

Subpart G [§ 9.18 - § 9.18] - Subpart G—Mobile-Satellite Service

Subpart H [§ 9.19 - § 9.20] - Subpart H—Resiliency, Redundancy, and Reliability of 911 Communications

Subpart I [§ 9.21 - § 9.26] - Subpart I—911 Fees

Subpart J [§ 9.27 - § 9.34] - Subpart J—Next Generation 911