Judgment of the Court (Sixth Chamber) of 30 September 2004 in Case C-481/03: Commission of the European Communities v Grand Duchy of Luxembourg (Failure of Member State to fulfil obligations — Directives 2001/12/EC and 2001/13/EC — The Community's railways — Development — Fair, uniform and non-discriminatory access to the infrastructure — Licensing of railway undertakings — Common scheme — Failure to transpose within the period prescribed)