In exercising that power, however, Member States must comply with EU law, and in particular, with the Treaty provisions on the fundamental freedoms, since those provisions prohibit Member States from introducing or maintaining unjustified restrictions on the exercise of those freedoms.
Države članice morajo pri izvajanju te pristojnosti spoštovati zakonodajo EU in zlasti določbe Pogodbe o temeljnih svoboščinah, saj te določbe državam članicam prepovedujejo uvedbo ali ohranjanje neupravičenih omejitev za izvajanje svoboščin.