C. The identity and contact details of the controller and the reasons the data is being collected. GDPR Article Reference: Article 13(1): Where personal data relating to a data subject are collected from the data subject, the controller shall, at the time when personal data are obtained, provide the data subject with all of the following information: (a) the identity and the contact details of the controller and, where applicable, of the controller's representative; (c) the purposes of the processing for which the personal data are intended as well as the legal basis for the processing;