The thesis deals with the issue of VAT reporting within intracommunity trade operations. The aim of the thesis is to give clear explanation of the current VAT system in the EU, show several practical examples of different intracommunity trade operations, and finally to show the scope of VAT frauds issue together with analysing the measures EU and member states have taken and are planning to take in order to fight the massive fraud. In the chapters devoted to explaining the existing VAT system in the EU following issues are described: - VAT harmonisation process in the EU, - VAT system in the EU, - Particular intracommunity transactions from the VAT point of view. In the chapters devoted to VAT fraud issue are following aspects covered: - VA...