International law — Relation to municipal law — Municipal statute authorizing ratification of treaty — Treaty providing for entry into force upon deposit of instruments of ratification by forum State and other Contracting States — Whether treaty effective in forum State upon enactment of municipal statute or subsequent deposit of instruments of ratification by forum State and other Contracting States — Treaty of Versailles — The law of Germany.

War — Occupation of enemy territory — Nature and effects of — Whether occupation can result in change of territorial sovereignty — German territory occupied by Poland from 1918 and transferred to Poland by Treaty of Versailles, 1919.

Treaties — Conclusion and operation of — Entry into force — Municipal statute authorising ratification of treaty — Treaty providing for entry into force upon deposit of instruments of ratification by forum State and other Contracting States — Whether treaty effective in forum State upon enactment of municipal statute or subsequent deposit of instruments of ratification by forum State and other Contracting States — Treaty of Versailles — The law of Germany.