council decis octob declassifi part siren manual adopt execut committe establish convent implement schengen agreement june ec council european union regard treati establish european commun articl thereof decis decemb sch rev june sch execut committe establish convent implement schengen agreement june replac council pursuant articl schengen protocol classifi quot confidenti quot siren manual final version adopt decis execut committe april sch siren manual decis execut committe classif form part schengen acqui defin council decis ec part siren manual declassifi part siren manual classif downgrad quot restreint ue quot repeal execut committe decis sch rev sch relat classif siren manual futur decis classif accord normal rule classif document set council decis ec march adopt council secur regul decid articl siren manual declassifi except section annex articl section siren manual annex classifi quot restreint ue quot articl declassifi part siren manual publish offici journal european commun articl decis schengen execut committe decemb sch rev june sch repeal relat siren manual futur decis classif siren manual accord provis decis ec articl decis effect dai public offici journal european commun luxembourg octob council presid espersen oj