State Repatriation Office

Państwowy Urząd Repatriacyjny (abbreviated PUR, translated into English as State Repatriation Office, State Office of Repatriation, National Repatriation Office or National Office of Repatriation) was a Polish communist governmental body created by Polish Committee of National Liberation on 7 October 1944 to oversee the repatriations in Poland. At first, PUR oversaw repatriations of Poles from Kresy, and from 1945, expulsion of Germans from Regained Territories.

Source: Wikipedia — State Repatriation Office (CC BY-SA 4.0)