1999/278/EC: Council Decision of 9 March 1999 relating to the conclusion of a Protocol adjusting trade aspects of the Europe Agreement between the European Communities and their Member States, of the one part, and the Republic of Bulgaria, of the other part, to take account of the accession of the Republic of Austria, the Republic of Finland and the Kingdom of Sweden to the European Union and the outcome of the Uruguay Round negotiations on agriculture, including improvements to the existing preferential arrangements