decis execut committe decemb swift exchang schengen state statist specif data malfunct extern border sch execut committe regard articl convent implement schengen agreement regard articl abovement convent decid schengen state exchang quickli statist specif data reveal malfunct extern border schengen state commun specif data presid gener secretariat subgroup border examin data meet put forward practic solut ostend decemb chairman vand lanott note central group sch front rev corr mandat central group execut committe octob subgroup frontier instruct problem encount regard check extern frontier purpos implement articl schengen convent order give factual content provis point common manual statist tool devis base work cirefi state undertak forward schengen secretariat dai gather statist inform permit monitor knowledg migrat phenomena form attach tabl schengen secretariat instruct forward inform schengen state immedi schengen secretariat liaison fmad second offici collat inform fmad undertak presid behalf initi analysi problem examin inform member state retain rais question think look parallel forward statist inform member state commun inform current difficulti carri control extern frontier inform analys accord arrang refer preced paragraph purpos nation author schengen state act depart respons extern frontier control liaison offic bilater agreement second offici make provis duti collect inform specif problem aris extern frontier suggest dysfunct frontier control level nation author compil analys inform inform presid secretariat meet subgroup frontier devot item agenda observ made statist problem gt pic file quot en ep quot gt gt pic file quot en ep quot gt