14 C.F.R. § 221.55 Conflicting or duplicating fares prohibited.
Title 14 - Aeronautics and Space
The publication of fares or charges of a carrier which duplicate or conflict with the fares of the same carrier published in the same or any other tariff for application over the same route or routes is hereby prohibited.
Title 14: Aeronautics and Space
PART 221—TARIFFS
Subpart F—Requirements Applicable to All Statements of Fares and Charges
§ 221.55 Conflicting or duplicating fares prohibited.