Convention on the association of the Netherlands Antilles with the European Economic Community of the Netherlands, proclaimed in 1954, instituted a Kingdom in which the three parties—the Netherlands, the Netherlands Antilles, and Suriname—participated on basis of equality, the Netherlands in 1957 only negotiated the Treaties of Rome on behalf of itself. A special protocol attached to both the Treaty establishing the European Economic Community and the Treaty establishing the European Atomic Economic Energy Community specifically declared that the Kingdom was entitled to ratify the treaties for the Netherlands and Netherlands New Guinea only, or for the Kingdom as a whole. Both treaties were indeed subsequently ratified for the Netherlands and Netherlands New Guinea
Charter of Fundamental Rights of the European Union the drafters of the EEC Treaty wished to eschew any implicitly political elements. However, the idea that the purely economic end of the new EEC Treaty would be unlikely to have any implications for fundamental rights was soon to be tested. Soon after the entry into force of the EEC Treaty, the Community established itself as a major political entity with policy ramifications beyond its economic aims. In 1964, the European Court of Justice handed down its decision in "Costa v ENEL", in which the Court decided that Union law should take precedence over conflicting national law. This meant that