27.37. Commission Implementing Regulation (EU) 2021/883 of 1 June 2021 - European Air Law (Update) View the chapter 27.37. Commission Implementing Regulation (EU) 2021/883 of 1 June 2021 by - European Air Law (Update) 27.37. Commission Implementing Regulation (EU) 2021/883 of 1 June 2021