EntityQ503549· pop 7· linked from 6 articlesBilling and Settlement PlanSign in to saveelectronic billing system designed to facilitate the flow of data and funds between travel agencies and airlinesConnectionsNordic countriesEntityInternational Air Transport AssociationEntitybusiness processEntityelectronic billingEntitycomputer reservations systemEntityCategoriesAirline ticketsInternational Air Transport AssociationPayment systemsTransport law