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 70/156/EEC of 6 February 1970 on the approximation of the laws of the Member States relating to the type-approval of motor vehicles and their trailers (3), as amended by Directive 78/315/EEC (4), to be introduced in respect of each type of vehicle;
ker je zato potrebno, da vse države članice bodisi poleg svojih obstoječih pravil ali namesto njih sprejmejo enake zahteve, zato da bi bilo mogoče uvesti postopek EGS-homologacije na podlagi Direktive Sveta 70/156/EGS z dne 6. februarja 1970 o približevanju zakonodaje držav članic o homologaciji motornih in priklopnih vozil, kakor je spremenjena z Direktivo 78/315/EGS, za vsak tip vozila;