1. Working document on privacy on the Internet — An integrated EU approach to on-line data protection, WP 37;Article 29 Working Party,2000
2. Working document on data protection issues related to RFID technology, WP105;Article 29 Working Party,2005
3. Opinion 4/2007 on the concept of personal data, WP 136;Article 29 Working Party,2007
4. Opinion 12/2011 on smart metering, WP 183;Article 29 Working Party,2011
5. Opinion 03/2013 on purpose limitation, WP 203;Article 29 Working Party,2013