Brussels, 24/03/2014 (Agence Europe) - On Monday 24 March, the European Commission formally requested that Luxembourg provide it with requested information about tax practices as part of a bigger investigation to see whether certain member states' tax systems provide selective advantages to certain companies and thus violate EU state aid rules. Luxembourg has a month to respond to the injunction, failing which it might be referred to the European Court of Justice. Luxembourg has so far only...