In December 2002, the EU leaders promised to make a decision on the issue during their December 2004 summit in Copenhagen on the basis of a report by the European Commission (EC).
Čelnici EU obećali su u prosincu 2002. godine kako će donijeti odluku o ovom pitanju u prosincu 2004. godine na summitu u Kopenhagenu, na temelju izvješća Europske komsije (EC).