CFR›Title 47›Chapter I›Part 13 ContainsSubject groups Examination System–GeneralCorpusDaily eCFRDisplayed edition2026-07-13Last updated2026-07-13 PART 13—COMMERCIAL RADIO OPERATORS Subject Groups Examination System Examination System Sections 13.201–13.217 General General Sections 13.1–13.19 Authority47 U.S.C. 154, 303.Source58 FR 9124, Feb. 19, 1993, unless otherwise noted. Previous 11 Part 11—Emergency Alert System (EAs) Next 14 Part 14—Access to Advanced Communications Services and Equipment by People with Disabilities