U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 47Chapter IPart 4 - PART 4—DISRUPTIONS TO COMMUNICATIONS

GENERAL
§ 4.1 - Scope, basis, and purpose.
§ 4.2 - Availability of reports filed under this part.

REPORTING REQUIREMENTS FOR DISRUPTIONS TO COMMUNICATIONS
§ 4.3 - Communications providers covered by the requirements of this part.
§ 4.5 - Definitions of outage, special offices and facilities, 911 special facilities, and 988 special facilities.
§ 4.7 - Definitions of metrics used to determine the general outage-reporting threshold criteria.
§ 4.9 - Outage reporting requirements—threshold criteria.
§ 4.11 - Notification and initial and final communications outage reports that must be filed by communications providers.
§ 4.13 - [Reserved]
§ 4.15 - Submarine cable outage reporting.
§ 4.17 - Mandatory Disaster Response Initiative.
§ 4.18 - Mandatory Disaster Information Reporting System (DIRS) reporting for Cable Communications, Wireless, Wireline, and VoIP providers.
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