1. This Convention shall be established in English, French, and
Spanish. The three texts shall be signed and shall be equally
authoritative.
2. Official texts of this Convention shall be established by the
Director-General, after consultation with the governments concerned, in
Arabic, German, Italian, and Portuguese.
3. Any Contracting State or group of Contracting States shall be
entitled to have established by the Director-General other texts in the
language of its choice by arrangement with the Director-General.
4. All such texts shall be annexed to the signed texts of this
Convention.