European Central Bank Ostend (East End), Frankfurt am Main. The city is the largest financial centre in the Eurozone and the bank's location in it is fixed by the Amsterdam Treaty. The bank moved to new purpose-built headquarters in 2014 that were designed by a Vienna-based architectural office, Coop Himmelbau. The building is approximately tall and will be accompanied with other secondary buildings on a landscaped site on the site of the former wholesale market in the eastern part of Frankfurt am Main. The main construction began in October 2008, and it was expected that the building will become an architectural symbol for
Treaties of the European Union – accountable to national parliaments. Article 11 establishes government transparency, declares that broad consultations must be made and introduces provision for a petition where at least 1 million citizens may petition the Commission to legislate on a matter. Article 12 gives national parliaments limited involvement in the legislative process. Article 13 establishes the institutions in the following order and under the following names: the European Parliament, the European Council, the Council, the European Commission, the Court of Justice of the European Union, the European Central Bank and the Court of Auditors. It obliges co-operation between these and limits their competencies