National rules
Article 9
1. With a view to ensuring a higher level of protection, Member States may maintain or introduce stricter rules aimed at combating unfair trading practices than those laid down by this Directive, provided that such national rules are compatible with the rules on the functioning of the internal market. 2. This Directive shall be without prejudice to national rules aimed at combating unfair trading practices that are not within the scope of this Directive, provided that such rules are compatible with the rules on the functioning of the internal market.