Article 37 Vienna Convention on Consular Relations
Information in cases of deaths, guardianship or trusteeship, wrecks and air accidents
If the relevant information is available to the competent authorities of the receiving State, such authorities shall have the duty:
(a) in the case of the death of a national of the sending State, to inform without delay the consular post in whose district the death occurred;
(b) to inform the competent consular post without delay of any case where the appointment of a guardian or trustee appears to be in the interests of a minor or other person lacking full capacity who is a national of the sending State. The giving of this information shall, however, be without prejudice to the operation of the laws and regulations of the receiving State concerning such appointments;
(c) if a vessel, having the nationality of the sending State, is wrecked or runs aground in the territorial sea or internal waters of the receiving State, or if an aircraft registered in the sending State suffers an accident on the territory of the receiving State, to inform without delay the consular post
nearest to the scene of the occurrence.
See also: Article 36 Vienna Convention on Consular Relations