Since the objectives of this Regulation, namely the development and implementation of a system of integrated management of the external borders to ensure the proper functioning of the Schengen area, cannot be sufficiently achieved by the Member States acting in an uncoordinated manner but can rather, by reason of the absence of controls at internal borders, the significant migratory challenges at the external borders, the need to monitor efficiently the crossing of those borders, and to contribute to a high level of internal security within the Union, be better achieved at Union level, the Union may adopt measures, in accordance with the principle of subsidiarity as set out in Article 5 of the TEU.
Ós rud é nach féidir leis na Ballstáit, ag gníomhú dóibh ar bhealach neamh-chomhordaithe, cuspóirí an Rialacháin seo, eadhon córas comhtháite bainistíochta le haghaidh teorainneacha seachtracha a fhorbairt agus a chur chun feidhme, lena n-áiritheofaí feidhmiú cuí limistéar Schengen, a ghnóthú go leordhóthanach, de bharr easpa rialuithe ag teorainneacha inmheánacha, na ndúshlán suntasach ón imirce ag na teorainneacha seachtracha, an ghá atá ann le faireachán éifeachtúil a dhéanamh ar thrasnú na dteorainneacha, agus chun rannchuidiú le leibhéal ard slándála inmheánaí laistigh den Aontas, ach gur fearr is féidir iad a ghnóthú ar leibhéal an Aontais, féadfaidh an tAontas bearta a ghlacadh, i gcomhréir le prionsabal na coimhdeachta a leagtar amach in Airteagal 5 CAE.