1. Unless otherwise provided in this Directive or in the national law 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 27 and 35 of this Directive, the contracting authority 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 authorities or contracting entities may impose on economic operators requirements aimed at protecting the confidential nature of information which the contracting authorities or contracting entities make available throughout the concession award procedure.