1.   If the purposes for which a controller processes personal data do not or do no longer require the identification of a data subject by the controller, the controller shall not be obliged to maintain, acquire or process additional information in order to identify the data subject for the sole purpose of complying with this Regulation.

2.   Where, in cases referred to in paragraph 1 of this Article, the controller is able to demonstrate that it is not in a position to identify the data subject, the controller shall inform the data subject accordingly, if possible. In such cases, Articles 15 to 20 shall not apply except where the data subject, for the purpose of exercising his or her rights under those articles, provides additional information enabling his or her identification.

1.   Mura mbeidh ceanglas ar an rialaitheoir, maidir leis na críocha a ndéanann sé sonraí pearsanta a phróiseáil lena n-aghaidh, an t-ábhar sonraí a shainaithint nó nach bhfuil na ceanglais sin air níos mó, ní bheidh sé d'oibleagáid ar an rialaitheoir tuilleadh faisnéise a choimeád, a fháil nó a phróiseáil d'fhonn go sainaithneoidh sé, d'aon toisc chun an Rialachán seo a chomhlíonadh, an t-ábhar sonraí.

2.   Más rud é, i gcásanna dá dtagraítear i mír 1 den Airteagal seo, go bhféadfaidh an rialaitheoir a thaispeáint nach bhfuil sé in ann an t-ábhar sonraí a shainaithint, cuirfidh an rialaitheoir an méid sin in iúl dá réir don ábhar sonraí, más féidir. I gcásanna den sórt sin, ní bheidh feidhm ag Airteagal 15 go hAirteagal 20 ach amháin i gcás go soláthraíonn an t-ábhar sonraí tuilleadh faisnéise lena gcumasaítear é a shainaithint, chun críocha a chearta nó a cearta a fheidhmiú faoi na hairteagail sin.