352______United Nations Treaty Series Nations Unies Recueil des Trait s 1980 4. The corrected text replaces the defective text ab initia, unless the signatory States and the contracting States otherwise decide. 5. The correction of the text of a treaty that has been registered shall be notified to the Secretariat of the United Nations. 6. Where an error is discovered in a certified copy of a treaty, the depositary shall execute a proc s-verbal specifying the rectification and communicate a copy of it to the signatory States and to the contracting States. Article 80. REGISTRATION AND PUBLICATION OF TREATIES 1. Treaties shall, after their entry into force, be transmitted to the Secretariat of the United Nations for registration or filing and recording, as the case may be, and for publication. 2. The designation of a depositary shall constitute authorization for it to per form the acts specified in the preceding paragraph. PART vin. FINAL PROVISIONS Article 81. SIGNATURE The present Convention shall be open for signature by all States Members of the United Nations or of any of the specialized agencies or of the International Atomic Energy Agency or parties to the Statute of the International Court of Justice, and by any other State invited by the General Assembly of the United Nations to become a party to the Convention, as follows: until 30 November 1969, at the Federal Ministry for Foreign Affairs of the Republic of Austria, and subsequently, until 30 April 1970, at United Nations Headquarters, New York. Article 82. RATIFICATION The present Convention is subject to ratification. The instruments of ratification shall be deposited with the Secretary-General of the United Nations. Article 83. ACCESSION The present Convention shall remain open for accession by any State belonging to any of the categories mentioned in article 81. The instruments of accession shall be deposited with the Secretary-General of the United Nations. Article 84. ENTRY INTO FORCE 1. The present Convention shall enter into force on the thirtieth day following the date of deposit of the thirty-fifth instrument of ratification or accession. 2. For each State ratifying or acceding to the Convention after the deposit of the thirty-fifth instrument of ratification or accession, the Convention shall enter into force on the thirtieth day after deposit by such State of its instrument of ratification or accession. Article 85. AUTHENTIC TEXTS The original of the present Convention, of which the Chinese, English, French, Russian and Spanish texts are equally authentic, shall be deposited with the Secretary-General of the United Nations. IN WITNESS WHEREOF the undersigned Plenipotentiaries, being duly authorized thereto by their respective Governments, have signed the present Convention. DONE at Vienna, this twenty-third day of May, one thousand nine hundred and sixty-nine. Vol. 1155,1-18232