The individual in international law — Aliens — Position of — Respect for property — Expropriation — Whether public administration of property tantamount to expropriation — Necessity for full, prompt and effective compensation — The law of Austria.

Treaties — Interpretation of — Principles and rules of — Vienna Convention on the Law of Treaties (Article 31) — “Ordinary meaning in context” — Annex to Treaty — Case of conflict between terms of Annex and terms of Treaty — Whether terms of Treaty to prevail — Interpretation in light of objectives and principles underlying Treaty — Consideration of preparatory work — London Agreement on German External Debts, 1953 (Article 19) — Annex I, paragraph 11 — Graeco-German Mixed Arbitral Tribunal Awards — Provision for settlement of claims by negotiation — Nature of obligation on parties — Definition — Undertaking to confer with view to reaching an agreement.

Disputes — Negotiation — Pactum de negotiando — Legal consequences — London Agreement on German External Debts, 1953 (Article 19) — Annex I, paragraph 11 — Graeco–German Mixed Arbitral Tribunal awards — Provision for settlement of claims by negotiation — Nature of obligation on Parties — Definition — Undertaking to confer with view to reaching an agreement — Obligation to make every reasonable effort, within a reasonable time, to reach agreement-Principles to guide negotiations.