Article 36 Vienna Convention on Diplomatic Relations
1.The receiving State shall, in accordance with such laws and regulations as it may adopt, permit entry of and grant exemption from all customs duties, taxes, and related charges other than charges for storage, cartage and similar services, on:
(a) Articles for the official use of the mission;
(b) Articles for the personal use of a diplomatic agent or members of his family forming part of his household, including articles intended for his establishment.
2.The personal baggage of a diplomatic agent shall be exempt from inspection, unless there are serious grounds for presuming that it contains articles not covered by the exemptions mentioned in paragraph 1 of this article, or articles the import or export of which is prohibited by the law or controlled by the quarantine regulations of the receiving State. Such inspection shall be conducted only in the presence of the diplomatic agent or of his authorized representative.
See also: Article 35 Vienna Convention on Diplomatic Relations