IRO employees noted when and where a DP had emigrated to. Revenu meant they had returned to their country of origin, serait en Zone americaine or partie Z US was noted when the DP had moved to the US occupation zone. Disparu indicated that a DP had disappeared, meaning they had left the camp without signing out. Emigré en together with a country name and date shows when a DP had emigrated and where. However, the dates can refer to different events. On the IRO cards from the French occupation zone, for example, two dates were written. These are probably the date of departure from the camp and the day on which the DP was crossed off the camp lists.