Article 2 3

(a)

are carrying out activities on behalf of undertakings established in another Member State in the framework of the provision of services within the meaning of Article 56 TFEU, including third-country nationals posted by undertakings established in a Member State in the framework of the provision of services in accordance with Directive 96/71/EC;

(b)

are family members of Union citizens who have exercised their right to free movement within the Union, in conformity with Directive 2004/38/EC of the European Parliament and of the Council (16);

(c)

together with their family members, and irrespective of their nationality, enjoy rights of free movement equivalent to those of Union citizens under agreements either between the Union and the Member States or between the Union and third countries.