{"data":{"id":"us/14-cfr-221.142","jurisdiction":"us","citation":"14 CFR 221.142","heading":"Method of withdrawing portion of authority conferred by concurrence.","body":"If a carrier desires to issue a concurrence conferring less authority than a previous concurrence given to the same carrier, the new concurrence shall not direct the cancellation of such previous concurrence. In such circumstances, such previous concurrence shall be revoked by issuing and filing a Notice of Revocation of Concurrence in a form acceptable to the Office of International Aviation. Such revocation notice shall include reference to the new concurrence.","path":["Title 14—Aeronautics and Space","CHAPTER II—OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)","SUBCHAPTER A—ECONOMIC REGULATIONS","PART 221—TARIFFS","Subpart O—Giving and Revoking Concurrences to Carriers"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"62b0c49b65034d87456a8ba8c2089bf6230c1469e0d83966faeca6b452686222","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-221.141","next":"us/14-cfr-221.150"},"notice":"GroundRules: Original legal text. Not legal advice."}