Press Release: Judgment of the Court of Justice in Case C-26/03. Stadt Halle and RPL Recyclingpark Lochau GmbH v. Arbeitsgemeinschaft Thermische Restabfall- und Energieverwertungsanlage TREA Leuna. The award of a public service contract to an undertaking with partly private capital, regardless of the percentage of the holding, does not constitute an in-house operation exempted from the Community public procurement rules