decis execut committe june measur respect countri pose problem regard issu document requir expuls schengen territori sch rev execut committe regard articl convent implement schengen agreement regard articl abovement convent decid measur vi vi countri pose problem regard issu document requir expuls schengen territori adopt accord procedur laid document annex hereto ostend june chairman tobback subject measur respect countri pose problem regard issu document requir expuls schengen territori sch ii read rev belgian presid occas execut committe meet decemb vienna central group meet januari bruge februari luxembourg express willing find solut problem relat readmiss illeg foreign nation specif concern difficulti encount area repatri due lack cooper foreign consul schengen capit issu laissez passer initi step find solut contempl nation level joint schengen approach problem result effect solut approach favour belgium schengen state find experienc difficulti obtain laissez passer repatri illeg foreign nation schengen state inform ambassador countri concern instruct draw measur local schengen colleagu schengen ambassador instanc make contact local author alert problem readmit nation make arrang ad hoc solut advantag take action local level countri nation author negoti readmiss nation consular staff schengen capit readmiss subgroup inform quot local action quot central group inform execut committe action outcom action contact produc result mean undoubtedli bind natur rais awar problem instanc polici issu visa measur examin subgroup visa schengen state retain decid retaliatori measur propos