{"data":{"id":"us/14-cfr-399.18","jurisdiction":"us","citation":"14 CFR 399.18","heading":"Maximum duration of fixed-term route authorization granted by exemption; renewal of such authority.","body":"It is the policy of the Department to limit the duration of exemptions which authorize fixed-term route service to a maximum period of two years, and to entertain requests for renewal of such authority only when incorporated in a duly filed application for substantially equivalent certificate authority under section 401 of the Act. (See § 377.10(c) of this chapter (Special Regulations).)","path":["Title 14—Aeronautics and Space","CHAPTER II—OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS)","SUBCHAPTER F—POLICY STATEMENTS","PART 399—STATEMENTS OF GENERAL POLICY","Subpart B—Policies Relating to Operating Authority"],"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":"5df0cc78e918b0d1cc5f80bf9be366a7c03673aefe0b3f3d8eae4c9fa0d17f2e","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-399.13-399.17","next":"us/14-cfr-399.19"},"notice":"GroundRules: Original legal text. Not legal advice."}