This commentary investigates the legal interpretation and practical application of the primary treaties governing the European Union and the Charter of Fundamental Rights. The authors, all established legal scholars and practitioners, provide a systematic analysis of the articles contained within these foundational documents. By synthesizing case law from the Court of Justice of the European Union with legislative history, the text offers a rigorous framework for understanding the constitutional architecture of the European Union. The work serves as a comprehensive guide for navigating the complex interplay between member state sovereignty and supranational legal obligations.

Legal professionals and academics frequently cite this commentary as a standard reference for interpreting EU primary law. Experts highlight the text for its technical precision and its utility in navigating the dense regulatory environment of European institutions.