decis execut committe april award contract si ii preliminari studi sch rev execut committe regard articl convent implement schengen agreement regard decis adopt meet held luxembourg decemb creat gener si si ii permit integr schengen state compris function creation si ii involv conduct preliminari studi defin architectur system end procedur initi accord direct eec june relat coordin procedur award public servic contract decid portug instruct work close schengen state award contract preliminari studi si ii initi procedur accord direct eec june relat coordin procedur award public servic contract accord applic portugues law portug entrust coordin budgetari manag project whilst work close schengen state financi regul drawn regul budgetari question relat preliminari studi si ii regul provid portug legal financi guarante administr regul drawn defin power oblig parti involv contract author schengen state schengen secretariat schengen secretariat coordin project includ administr manag coordin schengen work group close collabor project manag head budgetari manag execut committe award mandat central group supervis procedur specif regard specif preliminari studi si ii notic call tender financi regul administr regul lisbon april chairman francesco seixa da costa