paragraph 257 in volume 3, chapter 16, Elements of International Procedural Law
The normal criterion regarding evidence of whatever type is its relevance to the issues at hand. The Court’s function in establishing the facts requires it if necessary to establish on whom the burden of proof falls and to ascertain, and certainly to assess the relevance and the weight of the evidence produced in so far as is necessary for the determination of the issues which it finds it essential to resolve. F…