12.3. Commission Delegated Regulation (EU) 2023/2904 of 25 October 2023 amending Delegated Regulation (EU) 2019/1122 supplementing Directive 2003/87/EC of the European Parliament and of the Council as regards the functioning of the Union Registry - European Air Law (Update) View the chapter 12.3. Commission Delegated Regulation (EU) 2023/2904 of 25 October 2023 amending Delegated Regulation (EU) 2019/1122 supplementing Directive 2003/87/EC of the European Parliament and of the Council as regards the functioning of the Union Registry by - European Air Law (Update) 12.3. Commission Delegated Regulation (EU) 2023/2904 of 25 October 2023 amending Delegated Regulation (EU) 2019/1122 supplementing Directive 2003/87/EC of the European Parliament and of the Council as regards the functioning of the Union Registry