21.5. Commission Implementing Regulation (EU) 2022/525 of 1 April 2022 correcting certain language versions of Implementing Regulation (EU) 2019/947 on the rules and procedures for the operation of unmanned aircraft - European Air Law (Update) View the chapter 21.5. Commission Implementing Regulation (EU) 2022/525 of 1 April 2022 correcting certain language versions of Implementing Regulation (EU) 2019/947 on the rules and procedures for the operation of unmanned aircraft by - European Air Law (Update) 21.5. Commission Implementing Regulation (EU) 2022/525 of 1 April 2022 correcting certain language versions of Implementing Regulation (EU) 2019/947 on the rules and procedures for the operation of unmanned aircraft