4. Commission Implementing Regulation (EU) No. 409/2013 of 3 May 2013 on the definition of common projects, the establishment of governance and the identification of incentives supporting the implementation of the European Air Traffic Management Master Plan - European Air Law (Update) View the chapter 4. Commission Implementing Regulation (EU) No. 409/2013 of 3 May 2013 on the definition of common projects, the establishment of governance and the identification of incentives supporting the implementation of the European Air Traffic Management Master Plan by - European Air Law (Update) 4. Commission Implementing Regulation (EU) No. 409/2013 of 3 May 2013 on the definition of common projects, the establishment of governance and the identification of incentives supporting the implementation of the European Air Traffic Management Master Plan