1. Opinion 1/98 Platform for Privacy Preferences (P3P) and the Open Profiling Standard (OPS);Art. 29 WP,1998
2. Opinion 3/2010 on the principle of accountability;Art. 29 WP,2010
3. Opinion 03/2013 on purpose limitation;Art. 29 WP,2013
4. Statement of the Working Party on current discussions regarding the data protection reform package;Art. 29 WP,2013
5. Statement on the role of a risk-based approach in data protection legal frameworks;Art. 29 WP,2014