As a general principle, ECDC only processes personal data for the performance of tasks carried out in the public interest on the basis of the Treaties establishing the European Communities, on the basis of the relevant legislation or in the legitimate exercise of official authority vested in the Centre or in a third party to whom the data are disclosed.
Na splošno velja, da ECDC obdeluje osebne podatke samo za opravljanje nalog, ki se izvajajo v javnem interesu na podlagi pogodb o ustanovitvi Evropskih skupnosti, na podlagi drugih pravnih aktov ali pri zakonitem izvajanju javne oblasti, dodeljene centru ali tretji osebi, ki so ji posredovani podatki.