Signature - Council and Commission Decision of 24 January 2006 on the conclusion of the Protocol to the Partnership and Cooperation Agreement between the European Communities and their Member States, of the one part, and Ukraine, of the other part (PCA), on accession of the Czech Republic, the Republic of Estonia, the Republic of Cyprus, the Republic of Latvia, the Republic of Lithuania, the Republic of Hungary, the Republic of Malta, the Republic of Poland, the Republic of Slovenia and the Slovak Republic to the PCA and on adjustments to the PCA (2006/538/EC, Euratom)