This study examines the major legal, institutional, operational, and administrative aspects of the international property-related interventions in post-conflict Bosnia and Herzegovina and Kosovo. The establishment of international mass claims proceedings to restore or compensate for property rights lost due to ethnic discrimination and cleansing is a milestone for the protection of the rights of refugees and internally displaced persons. The case studies demonstrate that far-reaching international intervention and law enforcement do indeed effectively function if the international community engages in a sustainable and co-ordinated manner and provides sufficient funding.