The European Union is an international and regional organization in the United Kingdom that brings together various countries in the region. These countries carry out similar activities and are governed by the same rules and procedures. International and regional organizations are imperative as they help countries formulate laws and policies to boost the productivity of the region. The European Union (EU) is one of the most successful international organizations in the world. This article will aim to discuss the different courts that govern the justice system in the EU, namely: the European Court of Justice and the General Court. In addition, it will describe the functions, personnel and procedures that govern the above courts within the European Union. A Brief History of the Development of the EU The origin of the EU dates back to the 1951 Treaty of Paris which was signed to form the European Coal Union. and steel (ECSC) by Belgium, France, Italy, West Germany, Luxembourg and the Netherlands. In 1957, these six members also signed the Treaty creating the European Economic Community (EEC). Later, in 1967, the EEC became the European Community (EC) and in 1973 Denmark, Ireland and the United Kingdom joined the EC. Greece joined in 1981, while Portugal and Spain joined in 1986. Later, the Maastricht Treaty was signed in 1992 and created the current European Union. The EU has a variety of bodies that govern its daily operations, including: the European Commission, the European Council, the European Parliament, the Council of the EU, the Court of Justice of the EU (CJEU), the European Court of Auditors and the European Central Bank. Different EU bodies have different responsibilities. The European Parliament has the mandate to share the middle of the paper by supporting or opposing the demands of either party who then have the right to respond. The intervener also has the right to present her observations during the oral phase during which a public hearing takes place. Once the lawyers of both parties have heard, the judges have the discretion to ask questions of the representatives of the parties. The court has a judge-rapporteur who summarizes a hearing report, the facts invoked and the arguments presented by each party as well as those of speakers when necessary. The document is written in the language of the proceedings only. Judges use the above report to write a judgment which is then made public. The above procedure is free of court costs since only lawyers are entitled to the costs of the people they represent. Failure to meet costs may justify a person's legal aid..