486. Intervention in cases before the International Court of Justice.

A state has a right to intervene in a case in which it is not a party whenever the construction of a convention to which it is a party is involved; and if it does intervene the construction given by the judgment is binding on it1. The International Court of Justice2 may permit a state to intervene in a case in which the state considers that it has an interest of a legal nature which may be affected by the decision in the case