This Directive is without prejudice to the possibility for each Member State to take the necessary measures to ensure the protection of its essential security interests, to safeguard public policy and public security, and to permit the investigation, detection and prosecution of criminal offences, taking into account that any limitation to the exercise of the rights and freedoms recognised by the Charter, in particular in Articles 7, 8 and 11 thereof, such as limitations regarding the processing of data, are to be provided for by law, respect the essence of those rights and freedoms and be subject to the principle of proportionality, in accordance with Article 52(1) of the Charter.
Tá an Treoir seo gan dochar don deis go ndéanfadh gach Ballstát na bearta is gá, chun a áirithiú go gcosnófar a leasanna bunúsacha slándála, chun beartas poiblí agus slándáil phoiblí a chosaint, agus ionas go bhféadfar cionta coiriúla a fhiosrú, a bhrath agus a ionchúiseamh, agus é á chur san áireamh nach mór foráil a dhéanamh le dlí d'aon teorannú ar fheidhmiú na gceart agus na saoirsí arna n-aithint sa Chairt, go háirithe in Airteagail 7, 8 agus 11 de, amhail srianta i dtaca le próiseáil sonraí, agus nach mór inneachar sár-riachtanach na gceart agus na saoirsí sin a urramú, agus a bheith faoi réir phrionsabal na comhréireachta, i gcomhréir le hAirteagal 52(1) den Chairt.