For the purposes of this Chapter:

aircraft repair and maintenance services means activities undertaken on an aircraft or a part of an aircraft while it is withdrawn from service and do not include so-called line maintenance;

airport operation services means the operation or management, on a fee or contract basis, of airport infrastructure, including terminals, runways, taxiways and aprons, parking facilities, and intra-airport transportation systems. For greater certainty, airport operation services do not include the ownership of, or investment in, airports or airport lands, or any of the functions carried out by a board of directors. Airport operation services do not include air navigation services;

computer reservation system services means the supply of a service by computerised systems that contain information about air carriers’ schedules, availability, fares and fare rules, through which reservations can be made or tickets may be issued;

cross-border trade in services or cross-border supply of services means the supply of a service:
(a) from the territory of a Party into the territory of the other Party; or
(b) in the territory of a Party to the service consumer of the other Party,
but does not include the supply of a service in the territory of a Party by a person of the other Party.

ground handling services means the supply of a service on a fee or contract basis for: ground administration and supervision, including load control and communications; passenger handling; baggage handling; cargo and mail handling; ramp handling and aircraft services; fuel and oil handling; aircraft line maintenance, flight operations and crew administration; surface transport; or catering services. Ground handling services do not include security services or the operation or management of centralised airport infrastructure, such as baggage handling systems, de-icing facilities, fuel distribution systems, or intra-airport transport systems;

selling and marketing of air transport services means opportunities for the air carrier concerned to sell and market freely its air transport services including all aspects of marketing such as market research, advertising and distribution, but do not include the pricing of air transport services or the applicable conditions;  

services supplied in the exercise of governmental authority means any service that is not supplied on a commercial basis, or in competition with one or more service suppliers;