PART 4—DISRUPTIONS TO COMMUNICATIONS
- 4.1—Scope, basis and purpose.
- 4.2—Availability of reports filed under this part.
- 4.3—Communications providers covered by the requirements of this part.
- 4.5—Definitions of outage, special offices and facilities, and 911 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—Reports by the National Communications System (NCS) and by special offices and facilities, and related responsibilities of communications providers.