Article 19
1. Member States shall, in cooperation with the Commission and in accordance with Article 21(2), take all appropriate measures to establish direct cooperation and exchange of information between competent authorities with a view to enhancing the efficiency of the measures established by this Regulation. Such information may include: (a) details of exporters whose application for an authorisation is refused, or of exporters who are the subject of decisions taken by Member States pursuant to Article 11; (b) data on consignees or other actors involved in suspicious activities, and, where available, routes taken. 2. Council Regulation (EC) No 515/97 ( 16 ) on mutual assistance, and in particular the provisions thereof as to the confidentiality of information, shall apply mutatis mutandis to measures under this Article, without prejudice to Article 20 of this Regulation.