14 CFR 256.1: Purpose.

(a) The purpose of this part is to set forth requirements for the display of flight options by electronic airline information systems that provide air carrier or foreign air carrier schedule, fare, or availability information, including, but not limited to, global distribution systems (GDSs), corporate booking tools, and internet flight search tools, for use by consumers, carriers, ticket agents, and other business entities so as to prevent unfair or deceptive practices in the distribution and sale of air transportation.

(b) Nothing in this part exempts any person from the operation of the antitrust laws set forth in subsection (a) of the first section of the Clayton Act (15 U.S.C. 12).