Since the objective of Regulation (EC) No 562/2006 and its successive amendments, namely the establishment of rules applicable to the movement of persons across borders, could not be sufficiently achieved by the Member States but could rather be better achieved at Union level, the Union was able to adopt measures, in accordance with the principle of subsidiarity as set out in Article 5 of the Treaty on European Union (TEU).
Ós rud é nárbh fhéidir leis na Ballstáit cuspóir Rialachán (CE) Uimh. 562/2006 agus na leasuithe comhleanúnacha a rinneadh air, eadhon rialacha a bhunú is infheidhme maidir le gluaiseacht daoine thar theorainneacha, a ghnóthú go leordhóthanach agus gurbh fhearr dá bhrí sin ab fhéidir iad a ghnóthú ar leibhéal an Aontais, d’fhéad an tAontas bearta a ghlacadh i gcomhréir le prionsabal na coimhdeachta a leagtar amach in Airteagal 5 den Chonradh ar an Aontas Eorpach (CAE).