18.9.78 Official Journal of the European Communities No L 255/1 (Acts whose publication is not obligatory) COUNCIL COUNCIL DIRECTIVE of 25 July 1978 on the approximation of the laws of the Member States relating to the driver’s seat on wheeled agricultural or forestry tractors (78/764/EEC) THE COUNCIL OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, and in particular Article 100 thereof, Having regard to the proposal from the Commission, Having regard to the opinion of the European Parlia- ment (1), Having regard to the opinion of the Economic and Social Committee (2), Whereas the technical requirements which tractors must satisfy pursuant to national laws relate inter alia to the driver’s seat; Whereas the requirements differ from one Member State to another; whereas it is therefore necessary that all Member States adopt the same requirements either in addition to or in place of their existing rules, in order, in particular, to allow the EEC type-approval procedure which was the subject of Council Directive 74/150/EEC of 4 March 1974 on the approximation of the laws of the Member States relating to the type-approval of wheeled agricultural or forestry tractors (3) to be intro- duced in respect of each type of tractor; (1) OJ No C 299, 12. 12. 1977, p. 61. (3) OJ No C 84, 8.4.1978, p. 11. (3) O] No L 84, 28. 3. 1974, p. 10. Whereas the rules relating to driver’s seats cover not only the requirements for their installation on tractors but also the construction of the seats; whereas a har- monized component type-approval procedure makes it possible for each Member State to check compliance with the common construction and testing requirements and to inform the other Member States of its findings by sending a copy of the component type-approval cer- tificate completed for each type of driver’s seat; whereas the placing of an EEC component type-approval mark on all driver’s seats manufactured in conformity with the approved type obviates any need for technical checks on those driver’s seats in the other Member States, HAS ADOPTED THIS DIRECTIVE: Article 1 1. Each Member State shall grant EEC component type-approval for any type of driver’s seat which satis- fies the construction and testing requirements laid down in Annexes I and II. 2. The Member State which has granted EEC com- ponent type-approval shall take the measures required in order to verify, in so far as is necessary and if need be in cooperation with the competent authorities in the