decis execut committe april exchang statist issu visa sch execut committe regard articl convent implement schengen agreement regard articl abovement convent exchang statist local level visa issu offici refus enabl represent gain insight trend visa applic countri jurisdict shift applic schengen partner mission post overview enabl local consular cooper examin reason trend observ relat visa shop draw practic conclus make recommend respect nation author regard heavi administr burden diplomat mission consular post result exchang monthli statist short stai visa issu offici refus request note sch ii rev work group ii central group hand ltv issu except case monthli exchang local level statist issu visa continu monthli basi decid statist short stai visa issu offici refus transit visa airport transit visa exchang quarter prejudic oblig aris articl schengen convent explain annex common consular instruct schengen state commun data relat issu ltv period hour schengen diplomat mission consular post earnestli remind oblig sch decl exchang monthli basi statist ltv issu previou month pass statist respect central author chapter viii common consular instruct complet brussel april chairman vand lanott document sch