decis eu iceland norwai mix committe establish agreement conclud council european union republ iceland kingdom norwai latter associ implement applic develop schengen acqui amend decis june adopt rule procedur mix committe regard articl rule procedur decid articl rule procedur mix committe amend articl sentenc ad sentenc quot deleg repres govern iceland norwai cede chair mix committe meet level senior offici minist deleg prepar perform function quot subparagraph articl modifi quot presenc half member council deleg iceland deleg norwai ministeri level member commiss requir enabl mix committe decis quot articl decis effect date adopt articl decis publish offici journal european union iceland norwai respons offici public respect countri luxembourg octob mix committe chairperson oj