++++
Community law ° Principles ° Equal treatment ° Discrimination on grounds of nationality ° Not permitted ° Not applicable in a situation purely internal to a Member State ° Application of a principle of non-discrimination laid down by national law ° Permissibility
(EEC Treaty, Art. 7)
Community law does not preclude a national court from examining the compatibility with its constitution of a national rule which, in a situation unconnected with any of the situations contemplated by Community law, treats national workers less favourably than nationals from other Member States.