Belligerent Occupation — Legislative and Administrative Powers of the Occupant — Maintenance of Sovereignty by the State under Occupation — Right of the Occupant to take Measures Calculated to Safeguard Order and Public Life in the Occupied Territory — Article 43 of the Regulations Annexed to the 4th Hague Convention — Validity of Private Rights Acquired in Execution of Measures Taken by the Occupant in conformity with the Principles of International Law — Occupation of the Island of Samos by Italian Troops.