Section 1. If a diplomatic agent passes through or is in the territory of a third State, which has granted him

1. If a diplomatic agent passes through or is in the territory of a third State, which has granted him a passport/visa if such visa was necessary, while proceeding to take up or to return to his post, or when returning to his own country, the third State shall accord him inviolability and such other immunities as may be required to ensure his transit or return. The same shall apply in the case of any members of his family enjoying privileges or immunities who are accompanying the diplomatic agent, or travelling separately to join him or to return to their country. 1. The premises of the mission shall be inviolable, the agents of the receiving State may not enter them except with the consent of the head of the mission. 1. The sending State and the head of the mission shall be exempt from all national, regional or municipal dues and taxes in respect of the premises of the mission, whether owned or leased, other than such as represent payment for specific services rendered. 1. The receiving State shall permit and protect free communication on the part of the mission for all official purposes. In communicating with the Government and the other missions and consulates of the sending State, wherever situated, the mission may employ all appropriate means, including diplomatic couriers and messages in code or cipher. However, the mission may install and use a wireless transmitter only with the consent of the receiving State. 1. The private residence of a diplomatic agent shall enjoy the same inviolability and protection as the premises of the mission. 1. A diplomatic agent shall enjoy immunity from the criminal Jurisdiction of the receiving State. He shall also enjoy immunity from its civil and administrative jurisdiction, except in the case of: (a) a real action relating to private immovable property situated in the territory of the receiving State, unless he holds it on behalf of the sending State for the purposes of the mission; (b) an action relating to succession in which the diplomatic agent is involved as executor, administrator, heir or legatee as a private person and not on behalf of the sending State; (c) an action relating to any professional or commercial activity exercised by the diplomatic agent in the receiving State outside his official functions. 2. A diplomatic agent is not obliged to give evidence as a witness. 1. The immunity from jurisdiction of diplomatic agents and of persons enjoying immunity under article 37 may be waived by the sending State. 2. Waiver must always be express. 1. Subject to the provisions of paragraph 3 of this article, a diplomatic agent shall with respect to services rendered for the sending State be exempt from social security provisions which may be in force in the receiving State. 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. 1. The members of the family of a diplomatic agent forming part of his household shall, if they are not nationals of the receiving State, enjoy the privileges and immunities specified in articles 29 to 36. 1. Except in so far as additional privileges and immunities may be granted by the receiving State, a diplomatic agent who is a national of or permanently resident in that State shall enjoy only immunity from jurisdiction, and inviolability, in respect of official acts performed in the exercise of his functions. 1. Every person entitled to privileges and immunities shall enjoy them from the moment he enters the territory of the receiving State on proceeding to take up his post or, if already in its territory, from the moment when his appointment is notified to the Ministry for Foreign Affairs or such other Ministry as may be agreed.