13.1. Commission Regulation (EC) 2015/1088 of 3 July 2015 amending Regulation (EU) No. 1321/2014 as regards alleviations for maintenance procedures for general aviation aircraft - European Air Law View the chapter 13.1. Commission Regulation (EC) 2015/1088 of 3 July 2015 amending Regulation (EU) No. 1321/2014 as regards alleviations for maintenance procedures for general aviation aircraft by - European Air Law 13.1. Commission Regulation (EC) 2015/1088 of 3 July 2015 amending Regulation (EU) No. 1321/2014 as regards alleviations for maintenance procedures for general aviation aircraft