3. Should any such state entitled to appear before the Court have failed to receive the special communication referred to in paragraph 2 of this Article, such state may express a desire to submit a written statement or to be heard; and the Court will decide. 4. States and organizations having presented written or oral statements or both shall be permitted to comment on the statements made by other states or organizations in the form, to the extent, and within the time-limits which the Court, or, should it not be sitting, the President, shall decide in each particular case. Accordingly, the Registrar shall in due time communicate any such written statements to states and organizations having submitted similar statements. Article 67 The Court shall deliver its advisory opinions in open court, notice having been given to the Secretary-General and to the representatives of Members of the United Nations, of other states and of international organizations immediately concerned. Article 68 In the exercise of its advisory functions the Court shall further be guided by the provisions of the present Statute which apply in contentious cases to the extent to which it recognizes them to be applicable. CHAPTER V AMENDMENT Article 69 Amendments to the present Statute shall be effected by the same procedure as is provided by the Charter of the United Nations for amendments to that Charter, subject however to any provisions which the General Assembly upon recommendation of the Security Council may adopt concerning the participation of states which are parties to the present Statute but are not Members of the United Nations. Article 70