The Commission should ensure, however, if different systems continue to coexist in future too, that this does not have any adverse effects on workers exercising their right to mobility within the Union.
Men Kommissionen skal føre tilsyn med, at såfremt der også i fremtiden eksisterer forskellige systemer, må det ikke have negative følger for arbejdstagere, der udøver deres ret til bevægelighed i Unionen.