The controller and the processor and, where applicable, their representatives, shall cooperate, on request, with the supervisory authority in the performance of its tasks.
30. Records of processing activities
Each controller and, where applicable, the controller’s representative, shall maintain a record of processing activities under its responsibility. That record shall contain all of the following information: the name and contact details of the controller and, where applicable, the joint controller, the controller’s representative and the data protection officer; the purposes of the processing; a… […]
29. Processing under the authority of the controller or processor
The processor and any person acting under the authority of the controller or of the processor, who has access to personal data, shall not process those data except on instructions from the controller, unless required to do so by Union or Member State law.
28. Processor
Where processing is to be carried out on behalf of a controller, the controller shall use only processors providing sufficient guarantees to implement appropriate technical and organisational measures in such a manner that processing will meet the requirements of this Regulation and ensure the protection of the rights of the data subject. The processor shall… […]
27. Representatives of controllers or processors not established in the Union
Where Article 3(2) applies, the controller or the processor shall designate in writing a representative in the Union. The obligation laid down in paragraph 1 of this Article shall not apply to: processing which is occasional, does not include, on a large scale, processing of special categories of data as referred to in Article 9(1)… […]
26. Joint controllers
Where two or more controllers jointly determine the purposes and means of processing, they shall be joint controllers. They shall in a transparent manner determine their respective responsibilities for compliance with the obligations under this Regulation, in particular as regards the exercising of the rights of the data subject and their respective duties to provide… […]
25. Data protection by design and by default
Taking into account the state of the art, the cost of implementation and the nature, scope, context and purposes of processing as well as the risks of varying likelihood and severity for rights and freedoms of natural persons posed by the processing, the controller shall, both at the time of the determination of the means… […]
24. Responsibility of the controller
Taking into account the nature, scope, context and purposes of processing as well as the risks of varying likelihood and severity for the rights and freedoms of natural persons, the controller shall implement appropriate technical and organisational measures to ensure and to be able to demonstrate that processing is performed in accordance with this Regulation…. […]