3. It shall entail the right, subject 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 regulations to be drawn up by the Commission. 

4. The provisions of this Article shall not apply to employment in the public service.