In the well-known Italmoda case,the ECJ decided that the exemption (zero rate) of the intra-Community supply should be denied when the supplier “knew or should have known” that, by his supply, he was participating in a transaction connected with fraudulent evasion of VAT. In the pending Climate Corporation Emissions Trading case, the question is raised whether a similar approach should apply to intra-Community supplies of services. In this article, the author suggests that this pending case highlights the urgent need for a comprehensive solution to the issue of carousel fraud in the European Union.