Article 3 1. The Organisation shall, under article VIII of the Convention, execute the Spacelab programme in conformity with the timetable and other provisions set out in annex A to this Arrangement. 2. Except where otherwise provided in this Arrangement, the Organisation shall execute the programme in conformity with the rules and procedures in force in the Organisation. 3. For the purpose of the cooperation with NASA referred to in article 1 above and in order to ensure close integration of the Spacelab with the other elements of the shuttle and orbital system, particularly with the development of the space shuttle, the Organisation shall set up, on the basis of the Memorandum of Understanding, a structure for cooperation and coordination with NASA. The European scientific and technical users shall be associated with the work of the Organisation and NASA.