2.1. Commission Regulation (EU) No. 297/2010 of 9 April 201 0 amending Regulation (EC) No. 272/2009 supplementing the common basic standards on civil aviation security - European Air Law (Update) View the chapter 2.1. Commission Regulation (EU) No. 297/2010 of 9 April 201 0 amending Regulation (EC) No. 272/2009 supplementing the common basic standards on civil aviation security by - European Air Law (Update) 2.1. Commission Regulation (EU) No. 297/2010 of 9 April 201 0 amending Regulation (EC) No. 272/2009 supplementing the common basic standards on civil aviation security