Third Party
According to Article 3 (14) of Regulation (EU) 2018/1725 third party shall mean "a natural or legal person, public authority, agency or body, other than the data subject, controller, processor and persons who, under the direct authority of the controller or processor are authorised to process the data."
In the context of the EU institutions and bodies, a third party may be a public authority or private party which temporarily needs to process the personal data of an official. This may be the case, for instance, if an official, who moves to his workplace to start work and who is temporarily entitled to VAT-exemption, buys a car. In that case, the car company, the insurance company, the Ministry of Finance and the authority responsible for the car register would be third parties.