Treaties of the European Union the Functioning of the European Union (originally signed in Rome in 1957 as the Treaty establishing the European Economic Community, aka The Treaty of Rome), lay out how the EU operates, and there are a number of satellite treaties which are interconnected with them. The treaties have been repeatedly amended by other treaties over the 65 years since they were first signed. The consolidated version of the two core treaties is regularly published by the European Commission. The two principal treaties on which the EU is based are the Treaty on European Union (TEU; Maastricht Treaty, effective since 1993) and
European Economic Community it ensured that taxpayer funds from the Community budget have been correctly spent. The court provided an audit report for each financial year to the Council and Parliament and gives opinions and proposals on financial legislation and anti-fraud actions. It is the only institution not mentioned in the original treaties, having been set up in 1975. At the time of its abolition, the European Community pillar covered the following areas; European Economic Community The European Economic Community (EEC) was a regional organisation which aimed to bring about economic integration among its member states. It was created by the Treaty of