On 10 February 2022, a working arrangement between the EPPO and the Hellenic National Transparency Authority (NTA) was concluded. The arrangement provides for an improved structured framework for cooperation in accordance with the existing applicable legislation. The arrangement sets out inter alia:

• The modalities and channels for information exchange;
• Scientific and technical support by the NTA to EPPO investigations;
• Priority treatment of EPPO cases by the NTA;
• Exchange of information on individual cases and of strategic information;
• Data protection rules.

The NTA is an independent audit authority that was created in 2019 through an administrative reform in Greece. It is mandated to enhance transparency, integrity and accountability of Greek state bodies and to prevent and detect cases of fraud and corruption in the administration.