1. Regulation (EU) 2016/679 of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/ec (General Data Protection Regulation),2018
2. California consumer privacy act (CCPA);California Civil Code,2018
3. Guidelines 4/2019 on article 25 data protection by design and by default,2019
4. A categorization of transparency-enhancing technolo-gies;Zimmermann,2015