2.2. Commission Regulation (EU) No. 720/2011 of 22 July 201 1 amending Regulation (EC) No. 272/2009 supplementing the common basic standards on civil aviation security as regards the phasing-in of the screening of liquids, aerosols and gels at EU airports - European Air Law (Update) View the chapter 2.2. Commission Regulation (EU) No. 720/2011 of 22 July 201 1 amending Regulation (EC) No. 272/2009 supplementing the common basic standards on civil aviation security as regards the phasing-in of the screening of liquids, aerosols and gels at EU airports by - European Air Law (Update) 2.2. Commission Regulation (EU) No. 720/2011 of 22 July 201 1 amending Regulation (EC) No. 272/2009 supplementing the common basic standards on civil aviation security as regards the phasing-in of the screening of liquids, aerosols and gels at EU airports