27.29. Commission Implementing Regulation (EU) 2017/830 of 15 May 2017 - European Air Law (Update) View the chapter 27.29. Commission Implementing Regulation (EU) 2017/830 of 15 May 2017 by - European Air Law (Update) 27.29. Commission Implementing Regulation (EU) 2017/830 of 15 May 2017