agre minut negoti gatt articl xxviii relat schedul lxxx european commun negoti conduct gatt articl xxviii deleg commiss european commun canada reach agreement annex deleg commiss european commun canada submit agreement approv respect author deleg commiss european commun deleg canada annex director gener gatt geneva negoti relat schedul lxxx european commun deleg commiss european commun canada conclud negoti pursuant articl xxviii modif withdraw concess provid schedul lxxx european commun set report attach deleg commiss european commun deleg canada annex result negoti pursuant articl xxviii modif withdraw concess schedul european commun initi negoti canada schedul lxxx european commun concess withdrawn gt tabl gt bound rate increas gt tabl gt reduct rate bound exist schedul gt tabl gt concess gt tabl gt