25.04.2012 German trade tax restriction on interest deductibility uphel ... The Supreme Tax Court has upheld the German disallowance of one-half of the long-term interest expense for trade tax as not conflicting with the Interest and Royalties Directive and not infringing the German/Dutch tax treaty prohibition on discrimination. Categories: Supreme Tax Court casesKeywords: add-back, Inerest deduction, long-term i ...