Oreja Aguirre, Marcelino Keywords: European Union | Institutional law | Mots clefs: Union européenne | Droit institutionnel | ABSTRACT The analysis of the "Amsterdam Treaty" even before it was signed by the Member States is not a simple task even for someone who has participated in the negotiations throughout the Conference. In this course, Marcelino Oreja Aguirre presents an analysis of the content of the Treaty dealing with institutional issues in the light of the development of the negotiations and the texts th…