Ernst & Young prepared a statement in response to a query by the Central Council of Muslims in Germany regarding he tax assessment of selected Islamic finance contractual models. The attached report covers the main findings including an English summary.
http://www.ey.com/Publication/vwLUAssets/Stellungnahme_EY_zu_Islamic_Finance_-_Mai_2010/$FILE/Stellungnahme%20EY%20zu%20Islamic%20Finance_Mai%202010.pdf