ents and opinions are both in
             Cases are brought before the court either by the notification
             to it of a special agreement concluded by the parties or by the
             unilateral action of one of them through a written appeal to the
             registrar. Its proceedings are in two parts, written and oral.
             The Court may also hear witnesses and appoint commissions of
             experts to make investigations and reports when necessary. These
             procedures were used in the Corfu Channel, Temple of Preah Vihear and
             in South West Africa(1966). The deliberation of the court are held in
             private, but the judgements, which are by majority vote, are read in
             open court. In the case of a tie, the President may cast a deciding
             vote; this was done in the South West Africa Case where a 7-7 vote was
             cast. Any judge may file a separate opinion if he does not agree in
             whole or part with the judgement. The decision of the court is final
             Although the ICJ has no enforcement powers, Article 94 of the
             Charter incorporates an undertaking on the part of each member of the
             UN "to comply with the decision of the ... court...in any case to
             which it is a party" and a further provision that:
             IF any party to a case fails to perform the obligations
             ...