But the need for common legislation is underlined by the fact that in the Netherlands they have liberalised, in Germany they have not, yet German companies which enjoy the protection of national law seek to take market share in the Netherlands.
Men behovet for fælles lovgivning understreges af, at man i Nederlandene har liberaliseret markedet, det har man ikke i Tyskland, selvom tyske virksomheder, som er beskyttet af national lov, forsøger at vinde markedsandele i Nederlandene.