European Union and West Germany signed the Treaty of Rome, which created the European Economic Community (EEC) and established a customs union. They also signed another pact creating the European Atomic Energy Community (Euratom) for co-operation in developing nuclear energy. Both treaties came into force in 1958. The EEC and Euratom were created separately from the ECSC, although they shared the same courts and the Common Assembly. The EEC was headed by Walter Hallstein (Hallstein Commission) and Euratom was headed by Louis Armand (Armand Commission) and then Étienne Hirsch. Euratom was to integrate sectors in nuclear energy while the EEC would develop
Convention on the association of the Netherlands Antilles with the European Economic Community September, 19 October, and 22 October, respectively. An Intergovernmental Conference was convened on 13 November, which signed the Convention. The actual Convention consists of four articles, the first of which establishes that the Netherlands Antilles shall be added to the (now ). Article 2 adds another protocol to the EEC Treaty, named . Article 3 concerns the ratification and article 4 the authentic versions of the text. The treaty entered into force on 1 October 1964, the first day of the month following the date of deposit of the last instrument of ratification by a signatory state, in this case