1. Each supervisory authority shall have all of the following investigative powers:
(a) to order the controller and the processor, and, where applicable, the controller's or the processor's representative to provide any information it requires for the performance of its tasks;
(b) to carry out investigations in the form of data protection audits;
(c) to carry out a review on certifications issued pursuant to Article 42(7);
(d) to notify the controller or the processor of an alleged infringement of this Regulation;
(e) to obtain, from the controller and the processor, access to all personal data and to all information necessary for the performance of its tasks;
(f) to obtain access to any premises of the controller and the processor, including to any data processing equipment and means, in accordance with Union or Member State procedural law.