Diplomatic and consular privileges and immunities — Right of other persons to privileges and immunities — Officials of international organizations — Exemption from taxation of salaries — Church dues — Offlcials of International Atomic Energy Agency — Headquarters Agreement between Austria and IAEA — Whether exemption from taxation includes exemption from church dues assessed on salary — The law of Austria.

Treaties — Interpretation of — Multilingual treaties — Equal authenticity of all texts — Intention of parties — Wording as primary manifestation of such intention — Headquarters Agreement between IAEA and Austria.

International organization — Specialized agencies of the United Nations — International Atomic Energy Agency — Exemption of officials from taxation of salaries — Claim to exemption from assessment to church dues — Interpretation of Headquarters Agreement between IAEA and Austria — The law of Austria.

International organization — Officials — Privileges and immunities of — Exemption from taxation of salaries — Church dues — Officials of International Atomic Energy Agency — Headquarters Agreement between Austria and IAEA — Whether exemption from taxation included exemption from church dues assessed on salary — The law of Austria.