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1. This Convention and its protocols shall be subject to ratification, acceptance or approval by States. Instruments of ratification, acceptance or approval shall be deposited with the Government of the Republic of Colombia, which will assume the functions of Depositary.
2. This Convention and its protocols shall also be subject to ratification, acceptance or approval by the organizations referred to in article 25 having at least one member State a party to the Convention. In their instruments of ratification, acceptance or approval, such organizations shall declare the extent of their competence with respect to the matters governed by the Convention and the relevant protocol. Subsequently these organizations shall inform the Depositary of any substantial modification in the extent of their competence.