{"data":{"id":"us/46-cfr-11.603","jurisdiction":"us","citation":"46 CFR 11.603","heading":"Requirements for Radio Officer endorsements.","body":"Each applicant for an original endorsement or renewal of an MMC must provide evidence of a current Radiotelegraph Operator License (T) issued by the Federal Communications Commission. The applicant must enter on the endorsement application form the number, class, and date of issuance of their Federal Communications Commission License.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER B—MERCHANT MARINE OFFICERS AND SEAMEN","PART 11—REQUIREMENTS FOR OFFICER ENDORSEMENTS","Subpart F—Credentialing of Radio Officers"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"abdb48f1fce994cee4c442b9c16fa128b0291145429fb96ff3ba27e3be874a13","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-11.601","next":"us/46-cfr-11.604"},"notice":"GroundRules: Original legal text. Not legal advice."}