Artikel 9

1. Any Contracting State may, when depositing its instrument of ratification, acceptance or approval or at any later date, by declaration addressed to the Secretary General of the Council of Europe, extend this Agreement to any territory or territories specified in the declaration and for whose international relations it is responsible or on whose behalf it is authorised to give undertakings.
2. This Agreement shall enter into force for any territory or territories specified in a declaration made pursuant to paragraph 1 on the first day of the month following the expiration of one month after the date of receipt of the declaration by the Secretary General.
3. Any declaration made pursuant to paragraph 1 may, in respect of any territory mentioned in such declaration, be withdrawn according to the procedure laid down for denunciation in Article 10 of this Agreement.