Belgium – The Competences of the Communities in the Belgian Federal State: The Principle of Exclusivity Revisited - European Public Law View Belgium – The Competences of the Communities in the Belgian Federal State: The Principle of Exclusivity Revisited by André Alen - European Public Law Belgium – The Competences of the Communities in the Belgian Federal State: The Principle of Exclusivity Revisited André Alen 3 2 European Public Law