Art. 5 (5a) DGA:

"Unless national law includes specific safeguards on applicable confidentiality obligations relating to the re-use of data covered in Article 3(1), the public sector body shall make the use of data provided in accordance with paragraph 3 conditional on the adherence by the re-user to a confidentiality obligation that prohibits the disclosure of any information that jeopardises the rights and interests of third parties that the re-user may have acquired despite the safeguards put in place. [...]."