European Union law was the next example of a supranational legal framework. In the EU, sovereign nations have pooled their authority through a system of courts and political institutions. They have the ability to enforce legal norms against and for member states and citizens, in a way that public international law does not. According to the European Court of Justice (ECJ) in the early case, 26/62, of "NW Algemene Transporten Expeditie Onderneming van Gend en Loos v Nederlandse Administratie der Belastingen" ECR 1, (often known as just "Van Gend en Loos") it constitutes "a new legal order of international law":