necessary in individual cases for the establishment, exercise or defence of legal claims relating to the prevention, investigation, detection or prosecution of a specific criminal offence or the execution of a specific criminal sanction.
go bhfuil sé riachtanach i gcásanna aonair chun éilimh dhlíthiúla a bhunú, a fheidhmiú nó a chosaint, ar éilimh iad a bhaineann le cion coiriúil sonrach a chosc, a imscrúdú, a bhrath nó a ionchúiseamh nó le smachtbhanna coiriúil sonrach a chur i gcrích.