2. The Concept of Political Party on European Level

Legal Basis:
You may find the referred afore acts at EUR-Lex.
The Observatory on Political Parties and Representation (OPPR) project is devoted to the study of European parties and representative channels, agenda setters and gatekeepers on the possible road towards a full-fledged and effective Euro-party system. The link: http://www.eui.eu/Projects/EUDO-OPPR/Home.aspx
On the OPPR Website, You may find further links tothe key resources and datsets on parties, elections, and political representation in Europe:
etc.