Artikel 24

In the absence of a contrary declaration by one of the High Contracting Parties at the time of signature, ratification or accession, the provisions of the present Convention shall not apply to colonies, overseas territories, protectorates or territories under suzerainty or mandate.
Nevertheless, the High Contracting Parties reserve the right to accede to the Convention, in accordance with the provisions of Articles 21 and 23, for their colonies, overseas territories, protectorates or territories under suzerainty or mandate. They also reserve the right to denounce it separately in accordance with the provisions of Article 27.