paragraph 253 in volume 2, chapter 15, Advisory Jurisdiction
Although the Charter, the Statute, and the judicial practice of the Court stress organs and organizations in most aspects of the advisory procedure, particularly in the ante-adjudication and post adjudication phases, in the first and in the last resort it is States, and only States, that have access to the Court via the advisory procedure. From every point of view, only organizations and organs composed of States have the right…