Det afgørende kriterium ved anvendelsen af forordning (EØF) nr. 1408/71 er den forbindelse, som findes mellem den pågældende bestemmelse og de love, som regulerer de sociale sikringsgrene.
For the purposes of applying the prohibition on overlapping legislation laid down by Regulation (EEC) No 1408/71, the decisive factor was that there must be a direct and sufficiently relevant link between the provision in question and the legislation governing the branches of social secu­rity concerned.