The Commission may, in particular adopt such regulations in respect of agreements, decisions or concerted practices which have as their object any of the following: ... -common purchase, development and operation of computer reservation systems relating to timetabling, reservations and ticketing by air transport undertakings, on condition that air carriers of Member States have access to such systems on equal terms, that participating carriers have their services listed on a non-discriminatory basis and also that any participant may withdraw from the system on giving reasonable notice ...
The Commission may, in particular adopt such regulations in respect of agreements, decisions or concerted practices which have as their object any of the following: ... -slot allocation at airports and airport scheduling, on condition that the air carriers concerned shall be entitled to participate in such arrangements, that the national and multilateral procedures for such arrangements are transparent and that they take into account any constraints and distribution rules defined by national or international authorities and any rights which air carriers may have historically acquired ...
