According to regulations issued by the Reich Main Security Office in 1940, women that had been trained in social work or having a similar education could be hired as female detectives. Female youth leaders, lawyers, business administrators with experience in social work, female leaders in the Reichsarbeitsdienst and personnel administrators in the Bund Deutscher Mädel were hired as detectives after a one-year course if they had several years professional experience. Later also nurses, kindergarten teachers and trained female commercial employees with an aptitude for police work were hired as female detectives after a two-year course After two years as Kriminaloberassistentin promotion to Kriminalsekretärin could take place, after another two or three years in that grade the female detective could be promoted to Kriminalobersekretärin.