Addendum 15 to the COUNCIL DECISION on the conclusion of the relevant Agreements under Article XXI of the General Agreement on Trade in Services with Argentina, Australia, Brazil, Canada, China, the Separate customs territory of Taiwan, Penghu, Kinmen and Matsu (Chinese Taipei), Colombia, Cuba, Ecuador, Hong Kong China, India, Japan, Korea, New Zealand, the Philippines, Switzerland and the United States, on the necessary compensatory adjustments resulting from the accession of Czechia, Estonia, Cyprus, Latvia, Lithuania, Hungary, Malta, Austria, Poland, Slovenia, Slovakia, Finland and Sweden to the European Union