translate English to French: That principle is essential in order to enable providers, especially SMEs, to avail themselves with full legal certainty of the opportunities offered by the internal market. By thus facilitating the free movement of services between Member States, that principle, together with harmonisation and mutual assistance measures, also enables recipients to gain access to a wider choice of high quality services from other Member States.
Ce principe est indispensable pour permettre aux prestataires, en particulier les PME, d'exploiter en toute sécurité juridique les opportunités offertes par le marché intérieur.