The limitations of the present investigation impose to restrict the analysis to the trial system of the International Court of Justice (ICJ), as it is not possible to examine in depth the problem of the position of the third state. The present study intends to contribute to the reconstruction of the structural features of the intervention as not party, as foreseen by articles 62 and 63, of the International Court of Justice (ICJ) Statute. The first part of this survey is dedicated to a genera...

The present survey aims to explore the role of state practice in the context of modern international law. Not only is the process of interpretation giving concrete content to the conventional disposition, but a practice in the implementation of the treaty that go beyond the boundaries of the same, modifying it and therefore (re) acquiring a "normative" relief in the proper sense. Work on the formation of customs, on the other hand, starts in 2012 on the basis of the work of Special Rapporteur...