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
Yugoslavia and the European Economic Community Socialist Federal Republic of Yugoslavia was the first East European nation for which the Council of the European Economic Community accepted the possibility to start technical talks on cooperation. Ministry of Foreign Affairs of Yugoslavia held topical meeting on Yugoslav relations with Western European states on February 26, 1964 concluding that those relations are continually improving. During the meeting special attention was given to the Yugoslav relations with West Germany where Ministry commended results in mutual trade, tourist visits and scientific cooperation. On the other hand Ministry have criticized German toleration of disruptive activities of post-World War II anti-Yugoslav emigration,