---
kind: "unit"
title: "47"
title_heading: "Telecommunication"
key: "chI/subchA/part4"
level: "part"
label: "Part 4"
heading: "Disruptions to Communications"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/47/chI-subchA-part4"
sections_count: 11
---

# Part 4 — Disruptions to Communications

Title 47 C.F.R. — Telecommunication › Chapter I — Federal Communications Commission › Subchapter A — General

## Sections

- [§4.1. Scope, basis, and purpose.](/cfr/47/4.1.md)
- [§4.2. Availability of reports filed under this part.](/cfr/47/4.2.md)
- [§4.3. Communications providers covered by the requirements of this part.](/cfr/47/4.3.md)
- [§4.5. Definitions of outage, special offices and facilities, 911 special facilities, and 988 special facilities.](/cfr/47/4.5.md)
- [§4.7. Definitions of metrics used to determine the general outage-reporting threshold criteria.](/cfr/47/4.7.md)
- [§4.9. Outage reporting requirements—threshold criteria.](/cfr/47/4.9.md)
- [§4.11. Notification and initial and final communications outage reports that must be filed by communications providers.](/cfr/47/4.11.md)
- [§4.13. Reserved](/cfr/47/4.13.md)
- [§4.15. Submarine cable outage reporting.](/cfr/47/4.15.md)
- [§4.17. Mandatory Disaster Response Initiative.](/cfr/47/4.17.md)
- [§4.18. Mandatory Disaster Information Reporting System (DIRS) reporting.](/cfr/47/4.18.md)