(a) This Act shall be signed in a single copy in the French language and shall be deposited with the Government of Sweden.
(b) Official texts shall be established by the Director General, after consultation with the interested Governments, in the English, German, Italian, Portuguese, Russian and Spanish languages, and such other languages as the Assembly may designate.
(c) In case of differences of opinion on the interpretation of the various texts, the French text shall prevail.
(2) This Act shall remain open for signature at Stockholm until January 13, 1968.
(3) The Director General shall transmit two copies, certified by the Government of Sweden, of the signed text of this Act to the Governments of all countries of the Union and, on request, to the Government of any other country.
(4) The Director General shall register this Act with the Secretariat of the United Nations.
(5) The Director General shall notify the Governments of all countries of the Union of signatures, deposits of instruments of ratification or accession and any declarations included in such instruments or made pursuant to Article 20(1)(c), entry into force of any provisions of this Act, notifications of denunciation, and notifications pursuant to Article 24.