The aim of this leaflet is to enable transport undertakings (TU) and commercial entities using Market Prices/Global Prices in passenger traffic, to exchange on computer medium (and according to a standardised procedure), the necessary information on prices and tariffs for international and national transport. This information may also be used for computer-based applications, such as price searches. The information exchanged includes: fare conditions, sales and after-sales conditions, information specific to products and offers, price tables. The application of the leaflet should facilitate in particular the computerized updating of the existing data as well as its introduction into current sales systems.