Treaties — Interpretation of — Principles and Rules of — Interpretation by Reference to Subsequent Treaty of Similar Kind.

War — Effects of Outbreak of — In General — Effect on Functions of Organs of States — Trade Delegations.

Jurisdiction — Exemptions from — Foreign States — Commercial Delegations of — Russian Trade Delegation — Waiver of Privilege — Necessity for Express Waiver — Trading Activity as Waiver — Distinction between Public Law and Private Law Activities — Treaties — Interpretation of — Principles and Rules of — Interpretation by Reference to Subsequent Treaty of Similar Kind — Effect of Outbreak of War on Functions of Commercial Delegation.