However, as significant differences remain between the Member States in the minimum salary levels, social standards and in terms of which kind of highly skilled workers are needed, national schemes remain necessary to overcome those differences at the moment.
Ker pa med državami članicami še vedno obstajajo znatne razlike v ravni minimalne plače, socialnih standardih in potrebah po različnih vrstah visoko usposobljenih delavcev, so trenutno še vedno potrebni nacionalni sistemi, da bi premagali te razlike.