En ce qui concerne les dix nouveaux États membres, le Traité
d’adhésion de 2003 établit une distinction entre leurs relations avec les États membre
s de l’« Europe des Quinze », d’une part, et leurs relations entre eux, d’autre part : il les autorise à prendre des mesures de réciprocité à l’égard des États membres de l’« Europe des Quinze » qui appliquent des restrictions, mais prévoit qu’en principe les États membres ayant rejoint l’Union européenne le 1 mai 2004 doivent appliquer entre eux le droit communautaire sur la libre circulat
...[+++]ion des travailleurs à partir du 1 mai 2004.
As for the Member States that joined the EU on 1 May 2004, the 2003 Accession Treaty makes a distinction between their relations with the EU-15 Member States on the one hand, and their relations with other Member States that joined the EU on the other. As for their relations which EU-15 Member States, the Accession Treaty allows for reciprocal restrictions vis-à-vis EU-15 Member States applying restrictions. By contrast, the Accession Treaty provides that in principle, Member States that joined the EU on 1 May 2004 should among themselves apply Community law on free movement of workers from the 1 of May 2004 onwards.