EU Constitutional Law
Accession to the European Union: Criteria, Procedure, and Practice
Article 49 TEU governs the accession of new Member States to the European Union. The provision establishes that any European state which respects the values referred to in Article 2 TEU and is …
Delegated and Implementing Acts: Articles 290–291 TFEU
Articles 290 and 291 TFEU, introduced by the Treaty of Lisbon, establish a hierarchy of EU legal acts by distinguishing between delegated acts and implementing acts. The distinction addresses the …
Democratic Principles in the EU: Representation, Participation, and Accountability
Title II TEU (Articles 9–12 TEU) establishes the democratic principles of the European Union, introduced as a distinct title by the Treaty of Lisbon to address the EU’s democratic deficit. The …
Economic and Monetary Union: Legal Framework and Governance
Economic and Monetary Union (EMU) is the framework for coordinating economic and monetary policy among European Union Member States. Governed by Articles 119–144 TFEU, EMU comprises a single monetary …
Enhanced Cooperation: Variable Geometry in EU Integration
Enhanced cooperation is a mechanism under EU law enabling a group of at least nine Member States to adopt legislation among themselves using the EU’s institutional framework, where it has been …
EU Citizenship: Rights, Scope, and Development
Citizenship of the European Union was introduced by the Treaty of Maastricht in 1992 and is now governed by Articles 18–25 TFEU. It confers a range of rights on nationals of Member States, …
EU External Action: Legal Framework and Policy Dimensions
EU external action encompasses the Union’s legal competence to act on the international stage, governed by Part Five of the TFEU (Articles 205–222) and Title V of the TEU (Articles 21–46). The …
EU Legal Personality: Treaty-Making Power and External Competence
Article 47 TEU provides that the European Union shall have legal personality. This apparently simple provision, introduced by the Treaty of Lisbon, represents a significant constitutional development. …
EU Values and the Article 7 Procedure
Article 2 TEU establishes the foundational values upon which the European Union is founded: respect for human dignity, freedom, democracy, equality, the rule of law, and respect for human rights, …
Fundamental Rights in the EU Legal Order
The protection of fundamental rights in the European Union has evolved from judicial innovation to codified constitutional principle. Initially absent from the founding Treaties, which focused on …
Sources and Hierarchy of EU Law
The sources of European Union law form a structured hierarchy reflecting the constitutional character of the EU legal order. At the apex stand the Treaties and the Charter of Fundamental Rights as …
The Charter of Fundamental Rights of the European Union
The Charter of Fundamental Rights of the European Union is the primary instrument for the protection of fundamental rights within the EU legal order. Proclaimed in 2000 and given binding legal effect …
The EU Budget: Legal Framework and Financial Governance
The budget of the European Union is the financial expression of the Union’s political priorities and the legal instrument through which EU policies are funded. The EU budget is governed by …
The EU Legislative Process
The legislative process of the European Union is a complex multi-level system reflecting the Union’s institutional architecture. The ordinary legislative procedure, under which the European …
The EU Treaties as Constitutional Framework: TEU and TFEU
The Treaties of the European Union — the Treaty on European Union (TEU) and the Treaty on the Functioning of the European Union (TFEU) — constitute the constitutional foundation of the EU legal order. …
The Flexibility Clause (Article 352 TFEU)
Article 352 TFEU, commonly known as the flexibility clause, empowers the Council, acting unanimously on a proposal from the Commission with the consent of the European Parliament, to adopt appropriate …
The Founding Treaties of the European Union: From Rome to Lisbon
The constitutional architecture of the European Union rests upon a succession of treaties that have transformed a sectoral economic community into a supranational polity. From the Treaty of Rome in …
The Institutional Framework of the European Union
The institutional framework of the European Union, established under Articles 13 to 19 TEU, comprises seven principal institutions together with advisory and financial bodies that collectively …
The Principle of Conferral under Article 5 TEU
The principle of conferral is the foundational constitutional principle defining the limits of European Union competence. Article 5(2) TEU provides that the Union shall act only within the limits of …
The Right to Withdraw from the European Union: Article 50 TEU and the Brexit Precedent
Article 50 TEU, introduced by the Treaty of Lisbon, establishes the right of a Member State to withdraw from the European Union. The provision represented a significant constitutional innovation: …
The Role of National Parliaments in EU Governance
National parliaments have become increasingly important actors in the European Union’s governance structure. The Treaty of Lisbon significantly strengthened their role, particularly through the …