t to limitations justified on grounds of public policy, public security or public health:
             (a) to accept offers of employment actually made;
             (b) to move freely within the territory of Member States for this purpose;
             (c) to stay in a Member State for the purpose of employment in accordance with the provisions governing the employment of nationals of that State laid down by law, regulation or administrative action;
             (d) to remain in the territory of a Member State after having been employed in that State, subject to conditions which shall be embodied in implementing regulations to be drawn up by the Commission.
             4. The provisions of this article shall not apply to employment in the public service.
             This article is directly applicable in the legal system of every Member State and renders inapplicable all contrary national law. The ECJ in Walrave made it clear that Article 39 would apply even where the work was done outside the commun
             ...