Court of Justice 15 July 2004, C-445/03 (Commission of the European Communities v Grand Duchy of Luxemburg.)

Opinion of the Advocate-General Opinion of the Advocate-General 1. In the present proceedings the Commission seeks a declaration that the Grand Duchy of Luxembourg has failed to fulfil its obligations under Article 49 EC by reason of the requirements it imposes on undertakings established in another Member State which post workers who are nationals of non-member countries for the purpose of