3. The European Data Protection Supervisor shall be responsible for monitoring and ensuring the application of the provisions of this Regulation and of any other Union act relating to the protection of the fundamental rights and freedoms of natural persons with regard to the processing of personal data by a Union institution or body, and for advising Union institutions and bodies and data subjects on all matters concerning the processing of personal data. To those ends, the European Data Protection Supervisor shall fulfil the tasks set out in Article 57 and exercise the powers granted in Article 58.