paragraph 355 in volume 3, chapter 26, Intervention by Third States
The basic assumption underlying the Statute and the Rules of Court is that there are two parties in contentious cases, and that for third parties an adversarial contentious proceeding is res inter alios acta. This is the essence of the Court’s bilateralism. However, as early as the first attempt to produce a code for international arbitration procedure it was recognized that accommodation had to be made for exceptions to the principle of bilateralism.1 Articles 62 and 63 of the Statute first o…