If a prisoner transport went directly from one concentration camp to the sub-camp of another, the prisoner registration forms were filled out in the sub-camp. The only information that had to be entered in the main camp later on was the prisoner’s reason for arrest and the admitting authority. The completed prisoner registration forms were sent back to the Political Department of the main camp, where they were filed. Along with the precisely numbered registration forms, the main camp would also send strips of fabric with the new prisoner numbers. These were given to newcomers in the sub-camps, who had to sew them on their clothing.