Nationality — Acquisition of — As result of change of sovereignty — Cession of North Schleswig by Germany to Denmark in 1920 — Danish subjects — Service in German Waffen-SS during Second World War — Whether conferring German nationality.

Arbitration — Procedure — Procedure before arbitral tribunal — Arbitral Commission on Property, Rights and Interests in Germany — Article 6 of Charter of Commission — Right of recourse to Commission — Whether possessed by nationals or residents of non-contracting States.