Due to differences in consular regulations, citizens of the EU have to cope with as many systems as there are Member States and these systems may have varying legal force and scope.
Konsulaarmääruste erinevuste tõttu peavad ELi kodanikud tulema toime sama paljude süsteemidega nagu on liikmesriike ning neil süsteemidel võib olla erinev õiguslik jõud ja ulatus.