Institutional seats of the European Union are based in Luxembourg City along with the European Investment Bank. The Economic and Social Committee and the Committee of the Regions are entirely based in Brussels while the European Central Bank is based in Frankfurt and Europol is the only agency to have its seat fixed by the treaties, in The Hague. Separately, the Treaty of Nice establishes Brussels as the venue for all formal summits of the European Council after 2004. However some extraordinary sessions are sometimes held outside the city. The European Council's seat is however fixed by a declaration rather than a protocol, meaning it is
Institutions of the European Union contrast to Parliament's vote of approval which must be cast on the Commission as a whole without the ability to accept or reject individual Commissioners. Once approval has been obtained from the Parliament the Commissioners can take office. The current President is Jean-Claude Juncker (EPP); his commission was elected in 2014. The Court of Justice of the European Union (CJEU) is the EU's judicial branch. It is responsible for interpreting EU law and treaties. It comprises the main chamber: Court of Justice, the General Court and the Civil Service Tribunal. The CJEU is located in Luxembourg. The "European Central Bank"