1999/146/ECSC, Euratom: Commission Decision of 21 December 1998 concerning the conclusion on behalf of the European Coal and Steel Community and the European Atomic Energy Community of the Europe Agreement between the European Communities and their Member States, acting within the framework of the European Union, of the one part, and the Republic of Slovenia, of the other part (notified under number C(1998) 4164) (Text with EEA relevance)