Brussels and the European Union a provisional seat, though with the Common Assembly in Strasbourg as that was the only city with a large enough hemicycle (the one used by the Council of Europe). This agreement was temporary, and plans were set to relocate the institutions to Saarbrücken which would serve as a "European District", but this did not occur. The 1957 Treaties of Rome established two new communities, the European Economic Community (EEC) and the European Atomic Energy Community (Euratom). These shared the Assembly and Court of the ECSC but created two new sets of Councils and Commissions (equivalent to the ECSC's High Authority).
Yugoslavia and the European Economic Community campaigns against Koča Popović and postponing of judicial proceeding against the organizers and perpetrators of terrorist attack on Yugoslav representation in Bad Godesberg on November 29, 1962. Ministry have also criticized unwillingness to fulfill obligations and indemnities to the Yugoslav victims of World War II. In 1965 expert negotiations with EEC began as well as talks on extent of future economic cooperation and potential trade exchange. In 1967 the formal "Declaration on the relations between SFR Yugoslavia and the EEC" was signed. In 1969, after the 1968 Warsaw Pact invasion of Czechoslovakia, the Permanent Mission of the SFRY to the