International organizations — Personality — Concept of international legal personality — Personality in municipal law — International Tin Council — Whether a body corporate in English law — Legislation conferring upon Council the “legal capacities” of a body corporate — Jurisdiction to make an order requiring officer of body corporate to be examined — Whether applicable to Council

International organizations — Immunity — Attachment and execution — Whether assets of organization liable to attachment to satisfy judgment — Discovery of assets — Whether court possessing jurisdiction to require officer of organization to answer questions regarding location and extent of organization’s assets — officials — Immunity — Whether as extensive as that of diplomats — Executive Chairman of International Tin Council — Other officers of Council — International Tin Council (Immunities and Privileges) Order 1972 — The law of England