((References for preliminary rulings from the Unabhängiger Verwaltungssenat für Kärnten, the Unabhängiger Verwaltungssenat Wien and the Verwaltungsgerichtshof (Austria)) (Failure by a State to fulfil its obligations – Proceedings for preliminary rulings – Article 30 of the EC Treaty (now, after amendment, Article 28 EC) – Article 2(1)(b) and Article 15(1) and (2) of Directive 79/112/EEC – National rule which prohibits generally, subject to special authorisation, health-related information from appearing on the label of a foodstuff))