The legal basis of European law is divided into primary law and secondary law. The primary law in European law is primarily the founding and accession treaties concluded between the EU member states, including Annexes and protocols, in particular the Treaty on European Union (TEU) and the Treaty on the Functioning of the EU (TFEU). Annexes and protocols, in particular the Treaty on European Union (TEU) and the Treaty on the Functioning of the EU (TFEU). In addition, European law is shaped by a large number of groundbreaking judgments from the European Court of Justice (ECJ).
European law – also known as Union law – represents its own, supranational legal system, which exists alongside the national, German legal system and includes the law of the European Union.