The document discusses the concept of beneficial ownership and its application in international tax law. It provides examples showing how the definition of beneficial ownership has been applied differently in common law versus civil law systems, and also differently across jurisdictions. Specifically, a Canadian court defined beneficial ownership based on control and economic benefits, while a Spanish court disregarded the existence of a Dutch parent company in favor of looking at economic substance in Spain. The document argues these interpretations fail to respect EU law principles of freedom of establishment and movement between member states.