{"data":{"id":"us/14-cfr-215.4","jurisdiction":"us","citation":"14 CFR 215.4","heading":"Change of name or use of trade name.","body":"(a) Registrations. Any air carrier subject to this part that desires to change the name in which its operating authorization has been issued, or to use a trade name, or to obtain initial operating authority must register the name with the Department. The Department will construe any application for initial, reissued, or transferred authority as containing a “registration” of the intended name. A separate name registration document need not be filed. A carrier registering use of a trade name, without seeking reissuance of its underlying certificate commuter or foreign air carrier permit or exemption authority, must file a statement that complies with §§ 302.3 and 302.4 of this chapter registering its intended name with the Air Carrier Fitness Division if it is a U.S. certificated or commuter carrier, or within the Foreign Air Carrier Licensing Divisionif it is a foreign air carrier.\n(b) Montreal Agreement. Each registration under this section shall be accompanied by three copies of a counterpart to the Montreal Agreement (Agreement 18900) (OST Form 4523) signed by the carrier using the proposed name. Upon arrival of the application, the Department will place a copy of the signed OST form 4523 in Docket DOT-OST-1995-236.","path":["Title 14—Aeronautics and Space","CHAPTER II—OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)","SUBCHAPTER A—ECONOMIC REGULATIONS","PART 215—USE AND CHANGE OF NAMES OF AIR CARRIERS, FOREIGN AIR CARRIERS AND COMMUTER AIR 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":"9a6b2569ffdc696447c137de03c65eced4516a380cf34a1ea69c3cd882bf3313","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-215.3","next":"us/14-cfr-215.5"},"notice":"GroundRules: Original legal text. Not legal advice."}