T. Oliver, Covey Keywords: Federal states | Treaties | Enforcement | Mots clefs: Etats fédéraux | Traités | Exécution | ABSTRACT The subject of Covey T. Oliver`s course is the description and analysis of the public law of federal states with regard to the enforcement in domestic law of treaties in the light of the requirements and expectations of public international law and the practice of international relations. The author focuses on the importance of the enforcement of treaties by federal states, the essence of …