Judgment of the Court (Third Chamber) of 15 November 2012. Susanne Leichenich v Ansbert Peffekoven and Ingo Horeis. Reference for a preliminary ruling: Oberlandesgericht Köln - Germany. Directive 77/388/EEC - VAT - Exemptions - Article 13B(b) - Leasing or letting of immovable property - Houseboat, without a system of propulsion, permanently attached alongside a riverbank - Leasing of the houseboat, including the landing stage, the plot of land and the area of water contiguous therewith - Exclusive use for the permanent operation of a restaurant-discotheque - Single supply. Case C-532/11.