Everybody had a fixed address and a work unit and both were tied to food rations—if you left home, you couldn’t get fed. People didn’t dare visit a relative in the next town without a travel permit. Even overnight visitors were supposed to be registered with the inminban, which in turn had to report to the police the name, gender, registration number, travel permit number, and the purpose of the visit. Police conducted regular spot checks around midnight to make sure nobody had unauthorized visitors.
