14 C.F.R. § 293.20 Rule of construction.
Title 14 - Aeronautics and Space
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 §293.21.
Title 14: Aeronautics and Space
PART 293—INTERNATIONAL PASSENGER TRANSPORTATION
Subpart C—Effect of Exemption
§ 293.20 Rule of construction.
