Faculty of European Studies, Department of European Studies and Governance
University Babeş-Bolyai of Cluj-Napoca, Cluj-Napoca, Romania
The principle of subsidiarity has been introduced in the Union law, as a constitutionalprinciple, by the Treaty on the European Union in order to protect the competences and theauthonomy of the member States from the interferences of the Union (the EuropeanCommunity at that moment) in the areas of shared competence. It is not sure today that it hassucceeded to fulfil this role. Due to their functional nature, the competences of the Union hasgradually expanded until now.
subsidiarity, Union, competences, jurisprudence, doctrinal comments