Article 39 Confidentiality
1. Unless otherwise provided in this Directive or in the national law to which the contracting entity is subject, in particular legislation concerning access to information, and without prejudice to the obligations relating to the advertising of awarded contracts and to the information to candidates and tenderers set out in Articles 70 and 75, the contracting entity shall not disclose information forwarded to it by economic operators which they have designated as confidential, including, but not limited to, technical or trade secrets and the confidential aspects of tenders.
2. Contracting entities may impose on economic operators requirements aimed at protecting the confidential nature of information which the contracting entities make available throughout the procurement procedure, including information made available in connection with the operation of a qualification system, whether or not this has been the subject of a notice on the existence of a qualification system used as a means of calling for competition.