However, making the project a genuine success, including in terms of its usefulness for the internal market, requires the participation of all Member States, which should therefore be made compulsory as soon as the technical standards have been fully developed.
Le succès du projet, notamment du point de vue du marché intérieur, suppose que tous les États membres y participent, ce qui permettrait, une fois les normes techniques mises au point, de leur donner un caractère contraignant.