{"data":{"id":"us/14-cfr-221.31","jurisdiction":"us","citation":"14 CFR 221.31","heading":"Rules and regulations governing passenger fares and services.","body":"(a) Tariff rules and regulations governing passenger fares and services other than those subject to § 221.30 may be filed electronically in conformity with subpart R. Such filings shall conform to criteria approved by the Department's Office of International Aviation as provided in § 221.180 and shall contain at a minimum the information required by § 221.202(b)(9).\n(b) Applications for special tariff permission may be filed electronically, as provided in § 221.212.\n(c) Tariff publications and applications for special tariff permission covered by paragraphs (a) and (b) of this section may be filed in a paper format, subject to the requirements of this part and Department orders.","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 D—Manner of Filing Tariffs"],"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":"a9101b71e98e64554de055609d79fc5080d3b10f0562cfc144142e68511ee675","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-221.30","next":"us/14-cfr-221.40"},"notice":"GroundRules: Original legal text. Not legal advice."}