Article 37 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. Article 38 Communication with the authorities of the receiving State In the exercise of their functions, consular officers may address: (a) the competent local authorities of their consular district; (b) the competent central authorities of the receiving State if and to the extent that this is allowed by the laws, regulations and usages of the receiving State or by the relevant international agreements. Article 39 Consular fees and charges 1. The consular post may levy in the territory of the receiving State the fees and charges provided by the laws and regulations of the sending State for consular acts. 2. The sums collected in the form of the fees and charges referred to in paragraph 1 of this article, and the receipts for such fees and charges, shall be exempt from all dues and taxes in the receiving State. 16