Hơn nữa, không có gì trong văn bản của Hiệp ước này cho phép kết luận rằng công dân của Liên minh những người đã thành lập mình trong một nước thành viên khác để thực hiện một hoạt động như một người sử dụng có bị tước đoạt, nơi mà hoạt động đó kết thúc, các quyền mà được tặng cho họ theo Hiệp ước do của công dân mà. | 39 The cartography of citizenship Union citizenship and the Grzelczyk judgment 44 prepared the ground for the disentanglement of residence from economic status by deriving a directly effective right from Article 18 EC in As the Court ruled . the Treaty on European Union does not require that citizens of the Union pursue a professional or trade activity whether as an employed or self-employed person in order to enjoy the rights provided in Part Two of the Treaty on citizenship of the Union. Furthermore there is nothing in the text of that Treaty to permit the conclusion that citizens of the Union who have established themselves in another Member State in order to carry on an activity as an employed person there are deprived where that activity comes to an end of the rights which are conferred on them by the Treaty by virtue of that citizenship. As regards in particular the right to reside within the territory of the Member States under Article 18 1 EC that right is conferred directly on every citizen of the Union by a clear and precise provision of the EC Treaty. Purely as a national of a Member State and consequently as a citizen of the Union Mr Baumbast therefore has the right to rely on Article 18 1 EC. Any limitations and conditions imposed on that right must be applied in compliance with the limits imposed by Community law and in accordance with the general principles of that law in particular the principle of proportionality. As such they do not prevent the provisions of Article 18 1 EC from conferring on individuals rights which are enforceable by them and which the national courts must protect . Such an interpretation further weakened the link between economic status and the right to free movement and reflected broader normative aspirations for a constructive understanding of European citizenship that eventually found their way into juridicopolitical reform ten years after the establishment of this institution. Building on the rights-based .
