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
Terminology Coordination Unit of the European Parliament the Regions, the Court of Auditors and the Translation Centre for the Bodies of the European Union. The European Court of Justice, the European Investment Bank and the European Central Bank are also involved in providing specialised terminology, which is in some cases compiled in cooperation with national authorities. Finally, the contribution of all EU agencies, coordinated by the Translation Centre, is extremely valuable. The IATE database is managed by an inter-institutional team chaired in turn by one of the institutions which contribute to IATE and its funding. It is currently chaired by the Translation Centre, which houses the team