The aim of the study was to analyze the concept of a fixed establishment in the German VAT Act and its interpretation by the German financial courts and tax authorities. The German financial courts, when assessing the criteria for accepting the existence of a fixed establishment, are rightly referring to Regulation No. 282/2011 and the case law of the CJEU. Nevertheless, in some cases, the judiciary allows for the existence of a fixed establishment in Germany even if the taxpayer uses someone else’s staff and does not even have any personnel facilities. In the opinion of the Authors, this is an interpretation that goes far beyond any justification, neither in EU law nor in the case law of the CJEU.Celem opracowania jest analiza koncepcji st...