[Code of Federal Regulations] [Title 14, Volume 4] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR293.20] [Page 235] TITLE 14--AERONAUTICS AND SPACE CHAPTER II--OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) PART 293_INTERNATIONAL PASSENGER TRANSPORTATION--Table of Contents Subpart C_Effect of Exemption Sec. 293.20 Rule of construction. To the extent that a carrier holds an effective exemption from the duty to file tariffs under this part, it shall not, unless otherwise directed by order of the Department, be subject to tariff posting, notification or subscription requirements set forth in 49 U.S.C. 41504 or 14 CFR part 221, except as provided in Sec. 293.21.