Résumé
The equal treatment principle is one of the basic principles of the European Union, & of many national legal systems in Europe. Gradually primary & derived law have extended its scope & extent. The European Union Court of justice also pays careful attention to effective protection of the equal treatment principle. Recent rulings reinforce the impact of the principle, through the method of materialization of general law principles within directives. The judge's &lawmaker's combined work thus ensures that the principle provide a role of cohesion between subjects of law, both in terms of the enjoyment or rights & of the guarantee thereof, including the jurisdictional guarantee. In spite of being so crucial, the equal treatment principle applies nonetheless differently depending on both the areas & on the subjects. Therefore it has not gained the universality that it may unquestionably claim. Adapted from the source document.