Arbitration — Arbitration between State and international organization — Ad hoc tribunal — Procedure — Equality of parties — Costs

Diplomatic relations — Privileges and immunities — Diplomatic agent — Director-General of international organization — Application by analogy to privileges and immunities of a diplomatic agent — Headquarters Agreement between the European Molecular Biology Laboratory and the Federal Republic of Germany, 1974

International organizations — Privileges and immunities — Exemption from customs duties and taxation in host State — Whether scope of immunities governed by customary international law or by agreements establishing organization — Official activities — Definition of official activity — Whether limited to activities directly connected to specific objects of organization or extends to all activities tending to promote the objects of the organization — Headquarters Agreement between the European Molecular Biology Laboratory and the Federal Republic of Germany, 1974

International organizations — Privileges and immunities — Head of international organization — Whether entitled to privileges of diplomatic agent — Whether privileges limited by provisions of Headquarters Agreement between organization and host State — Vienna Convention on Diplomatic Relations, 1961 — Headquarters Agreement between the European Molecular Biology Laboratory and the Federal Republic of Germany, 1974