The Court of Justice of the European Union

  The Court of Justice of the European Union, in en Expeditie Onderneming van Gend en Loos v Nederlandse Administratie der Belastingen (Case 26/62) [1963] ECR 1) developed the principle of direct effect of EU Law. Critically evaluate the significance of the principle of direct effect with regards to the effective enforcement of EU Law on a national le​‌‍‍‍‌‍‍‌‍‌‌‍‍‍‌‍‌‌‌‍​vel.