States — Extinction of — Germany — Effect of Surrender After Second World War — The Law of Poland.

State Territory — In General — Acquisition of Territorial Sovereignty — Annexation — Territories Detached from GermanyEffect of Potsdam Agreement of August 2, 1945 — Effect on Municipal Law in Force — Replacement of German Law.

Treaties — Operation of — Effect on Third Parties — Potsdam Agreement of August 2, 1945 — Rights of Poland to Eastern Territories of Germany.

State Succession — Continuity of Law — Private Law — Territories Detached from Germany after Second World War — Position between Moment of Occupation by Poland and Formal Introduction of Polish Law.