Artikel XII

1. The States Parties to this Agreement on the date of its coming into force shall each take all the necessary measures for its fully effective operation within a period of six months after that date.
2. For States which may deposit their instruments of ratification or acceptance after the date of the Agreement coming into force, these measures shall be taken within a period of three months from the date of deposit.
3. Within one month of the expiration of the periods mentioned in paragraphs 1 and 2 of this article, the Contracting States to this Agreement shall submit a report to the United Nations Educational, Scientific and Cultural Organisation of the measures which they have taken for such fully effective operation.
4. The United Nations Educational, Scientific and Cultural Organisation shall transmit this report to all signatory States to this Agreement and to the International Trade Organisation (provisionally, to its Interim Commission).