1.2.4.2. Protocol amending the Agreement to take account of the accession to the European Union of the Republic of Croatia - European Air Law (Update) View the chapter 1.2.4.2. Protocol amending the Agreement to take account of the accession to the European Union of the Republic of Croatia by - European Air Law (Update) 1.2.4.2. Protocol amending the Agreement to take account of the accession to the European Union of the Republic of Croatia