Judgment_paragraph 92 · European Commission v Republic of Poland (C-601/21)

92Furthermore, the Court has also held that the confidential nature of data can be protected by a duty of secrecy, without it being necessary to contravene public procurement procedures. There is nothing to prevent the contracting authority from imposing particularly high requirements for the suitability and reliability of contractors, formulating tender specifications and service contracts accordingly and requiring the necessary proof from potential candidates (judgment of 20 March 2018, Commission v Austria (State printing office), C‑187/16, EU:C:2018:194, paragraphs 90 and 91).