council decis june conclus agreement republ iceland kindom norwai establish right oblig ireland unit kingdom great britain northern ireland hand republ iceland kingdom norwai area schengen acqui appli state ec council european union regard articl protocol annex treati amsterdam treati european union treati establish european commun integr schengen acqui framework european union decid sole articl agreement republ iceland kingdom norwai establish right oblig ireland unit kingdom great britain northern ireland hand republ iceland kingdom norwai area schengen acqui appli state approv text agreement attach decis luxembourg june council presid naumann