Court of Justice 20 April 1983, 133/82 (Commission of the European Communities v Kingdom of Belgium.)

OPINION OF MR ADVOCATE GENERAL MANCINI DELIVERED ON 20 APRIL 1983 ( 1 ) Mr President, Members of the Court, 1. The cases to which this opinion refers originate in two actions which the Commission brought under Article 169 of the EEC Treaty, against the Kingdom of Belgium (Case 132/82) and the Grand Duchy of Luxembourg (Case 133/82).