{"data":{"id":"us/14-cfr-257.6","jurisdiction":"us","citation":"14 CFR 257.6","heading":"Effective and compliance dates.","body":"(a) This Part is effective as of August 25, 1999.\n(b) Compliance with the following sections is mandatory as of August 25, 1999:\n(1) § 257.1, § 257.2, § 257.3, § 257.4, § 257.5(d), and § 257.6.\n(2) § 257.5(b) to the extent that it requires sellers of air transportation to give consumers oral notice before booking transportation involving a code-share arrangement\n(i) Of the fact that the selling carrier is not the transporting carrier and\n(ii) Of the transporting carrier's identity (as shown by its two-letter designator code in CRS displays).\n(c) Compliance with the following sections is mandatory as of March 15, 2000:\n(1) § 257.5(a) and § 257.5(c) in their entirety.\n(2) § 257.5(b) insofar as it requires sellers of air transportation to give consumers\n(i) Oral notice before booking transportation involving a code-share arrangement of the transporting carrier's corporate name and any other name under which the service is held out to the public and\n(ii) The same disclosures for long-term wet leases as for code-sharing arrangements.","path":["Title 14—Aeronautics and Space","CHAPTER II—OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)","SUBCHAPTER A—ECONOMIC REGULATIONS","PART 257—DISCLOSURE OF CODE-SHARING ARRANGEMENTS AND LONG-TERM WET LEASES"],"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":"5b99cda3b98d8f81dd78bf984e4581d3bdd61276e394369550d7821a242889ca","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-257.5","next":"us/14-cfr-258.1"},"notice":"GroundRules: Original legal text. Not legal advice."}