5.12. Council Decision establishing the criteria and procedure for the notification of differences with respect to international standards adopted by the International Civil Aviation Organization in the field of aviation safety - European Air Law (Update) View the chapter 5.12. Council Decision establishing the criteria and procedure for the notification of differences with respect to international standards adopted by the International Civil Aviation Organization in the field of aviation safety by - European Air Law (Update) 5.12. Council Decision establishing the criteria and procedure for the notification of differences with respect to international standards adopted by the International Civil Aviation Organization in the field of aviation safety