{"data":{"id":"us/14-cfr-221.4","jurisdiction":"us","citation":"14 CFR 221.4","heading":"English language.","body":"All tariffs and other documents and material filed with the Department pursuant to this part shall be in the English language.","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 A—General"],"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":"621cc2cd60e9b94913ad04c7bd516d637aba02d3fcc3e4ef2ae0eb21587792bc","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-221.3","next":"us/14-cfr-221.5"},"notice":"GroundRules: Original legal text. Not legal advice."}