1An adoption certified by the competent authority of the State of the adoption as having been made in accordance with the Convention shall be recognised by operation of law in the other Contracting States. The certificate shall specify when and by whom the agreements under Article 17, sub-paragraph c, were given.
2Each Contracting State shall, at the time of signature, ratification, acceptance, approval or accession, notify the depositary of the Convention of the identity and the functions of the authority or the authorities which, in that State, are competent to make the certification. It shall also notify the depositary of any modification in the designation of these authorities.