Article 26: Privileges and Immunities (1) Within the scope of activities authorized by this Convention, the Organization and its property shall be exempt in all States Parties to this Convention from all national income and direct national property taxation and from customs duties on communication satellites and components and parts for such satellites to be launched for use in the INMARSAT space segment. Each Party undertakes to use its best endeavours to bring about, in accordance with the applicable domestic procedure, such further exemption from income and direct property taxation and customs duties as is desirable, bearing in mind the particular nature of the Organization. (2) All Signatories acting in their capacity as such, except the Signatory designated by the Party in whose territory the headquarters is located, shall be exempt from national taxation on income earned from the Organization in the territory of that Party. (3) (a) As soon as possible after the entry into force of this Convention, the Organization shall conclude, with any Party in whose territory the Organization establishes its headquarters, other offices or installations, an agreement to be negotiated by the Council and approved by the Assembly, relating to the privileges and immunities of the Organization, its Director General, its staff, or experts performing missions for the Organization and of representatives of Parties and Signatories whilst in the territory of the host Government for the purpose of exercising their functions. (b) The agreement shall be independent of this Convention and shall terminate by agreement between the host Government and the Organization or if the headquarters of the Organization are moved from the territory of the host Government. (4) All Parties other than a Party which has concluded an agreement referred to in paragraph (3) shall as soon as possible after the entry into force of this Convention conclude a Protocol on the privileges and immunities of the Organization, its Director General, its staff, of experts performing missions for the Organization and of representatives of Parties and Signatories whilst in the territory of Parties for the purposes of exercising their functions. The Protocol shall be independent of this Convention and shall prescribe the conditions for its termination.