This Directive lays down:

1. (a)

   the conditions governing the exercise of the right of free movement and residence within the territory of the Member States by Union citizens and their family members;

2. (b)

   the right of permanent residence in the territory of the Member States for Union citizens and their family members;

3. (c)

   the limits placed on the rights set out in (a) and (b) on grounds of public policy, public security or public health.