External representation of the European Union in the conclusion of international agreements

The analysis is devoted to the issue of the European Union's representation with respect to the conclusion of international instruments and, in particular, international agreements. The issue has been profoundly affected by the Lisbon reform, which explicitly provides that the European Commission and the High Representative shall ensure the Union’s external representation, in non-CFSP and CFSP areas, respectively (Article 17 and 27 TEU).This reform seems to enhance the consistency and unity of the Union’s representation and of the Union’s ability to carry out effective negotiations, by fostering the self-representation of the Union, with the exclusion of any role previously held by Member States and the rotating Presidency. The analysis brings to light the two factors preventing the reform from fully achieving its objectives in practice. First, Member States sometimes favour the mixed form of international agreements, even when it would not appear to be strictly necessary. Secondly, Member States seem not to fully accept the consequences of the Treaties’ reform and often rely on pre-Lisbon practices, which no longer have any legal ground.