European Economic Community to the Council in the Community. In 2002, the Treaty of Paris which established the ECSC expired, having reached its 50-year limit (as the first treaty, it was the only one with a limit). No attempt was made to renew its mandate; instead, the Treaty of Nice transferred certain of its elements to the Treaty of Rome and hence its work continued as part of the EC area of the European Community's remit. After the entry into force of the Treaty of Lisbon in 2009 the pillar structure ceased to exist. The European Community, together with its legal personality, was
High Authority of the European Coal and Steel Community reached. Future executives, the Commissions of the EEC and Euratom, would eventually be based in Brussels. High Authority of the European Coal and Steel Community The High Authority was the executive branch of the former European Coal and Steel Community (ECSC). It was created in 1951 and disbanded in 1967 when it was merged into the European Commission. The High Authority was at the core of the idea of the ECSC. It was to be an independent, supranational executive checked by a Common Assembly. There were concerns about this power, leading to a Council (of governments) and Parliament (of MPs)