Court of Justice 3 May 2001, C-164/99 (Portugaia Construções Ldª.)

Opinion of the Advocate-General Opinion of the Advocate-General 1. This case again raises a problem which has already been considered by the Court several times, namely the interpretation of Community law on the temporary posting of workers who are nationals of the European Union by undertakings established in one Member State (the State of origin) to the territory of another Member State (the