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
European Central Bank slow political progress on solving the eurozone crisis, Draghi's statement has been seen as a key turning point in the fortunes of the eurozone. Following up on Draghi's speech, the Governing Council of the European Central Bank (ECB) announced on 2 August 2012, that it "may undertake outright open market operations of a size adequate to reach its objective" in order to "safeguarding an appropriate monetary policy transmission and the singleness of the monetary policy". The technical framework of these operations was formulated on 6 September 2012 when the ECB announced the launch of the Outright Monetary Transactions programme (OMT).