CFR›Title 47›Chapter I›Part 4 ContainsSubject groups General–Reporting Requirements for Disruptions to CommunicationsCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 4—DISRUPTIONS TO COMMUNICATIONS Subject Groups General General Sections 4.1–4.2 Reporting Requirements for Disruptions to Communications Reporting Requirements for Disruptions to Communications Sections 4.3–4.18 Authority47 U.S.C. 34-39, 151, 154, 155, 157, 201, 251, 307, 316, 615a-1, 1302(a), and 1302(b); 5 U.S.C. 301, and Executive Order no. 10530.Source69 FR 70338, Dec. 3, 2004, unless otherwise noted. Previous 3 Part 3—Authorization and Administration of Accounting Authorities in Maritime and Maritime Mobile-Satellite Radio Services Next 5 Part 5—Experimental Radio Service