Article 61 Cooperation between the European Data Protection Supervisor and national supervisory authorities
The European Data Protection Supervisor shall cooperate with national supervisory authorities and with the joint supervisory authority established under Article 25 of Council Decision 2009/917/JHA [Council Decision 2009/917/JHA of 30 November 2009 on the use of information technology for customs purposes (OJ L 323, 10.12.2009, p. 20).] to the extent necessary for the performance of their respective duties, in particular by providing each other with relevant information, asking each other to exercise their powers and responding to each other's requests.