8. When establishing or operating a qualification system, contracting entities shall in particular observe the provisions of Article 41(3) concerning notices on the existence of a system of qualification, of Article 49(3), (4) and (5) concerning the information to be delivered to economic operators having applied for qualification, of Article 51(2) concerning the selection of participants when a call for competition is made by means of a notice on the existence of a qualification system as well as the provisions of Article 52 on mutual recognition concerning administrative, technical or financial conditions, certificates, tests and evidence. |