Collection of the Wirtschaftsprüfstelle in the Netherlands, 1940-1945 The Wirtschaftsprüfstelle (Economics Research office) was part of the Generalkommissariat für Finanz und Wirtschaft, and it supervised the implementation of the Aryanization of the Dutch economy; the Wirtschaftsprüfstelle started the Aryanization in The Hague in October 1940 with the registration of all of the Jewish businesses in the Netherlands, according to order VO 189/40 given on 22/10/1940; later on, according to order VO 48/41 given on 12/03/1941, the Wirtschaftsprüfstelle was authorized to appoint a Treuhander (trustee), for the replacement of the owners of each Jewish business. The new owners could thereby decide regarding the dissolution or sale of the business that was in their ownership. In January 1943, upon the completion of the bureaucratic stage of the Aryanization, the Wirtschaftsprüfstelle was moved to Arnhem along with Omnia. These offices were forced to evacuate in Arnhem on 17/09/1943. The Wirtschaftsprüfstelle opened a small office in Almelo, which was active from October 1944 until late March 1945; at this stage, the Wirtschaftsprüfstelle acted under the Hauptabteilung Finanzen in Deventer; the departments that were active within the Wirtschaftsprüfstelle were, according to their work order, the Planungsreferat, Treuhandreferat, Rechtsreferat (called Arisierungsreferat after summer 1942) and the Liquidationsreferat; Included in the collection: Protocols of meetings of the Planungsreferat, 1941-1942; Documents prepared by the Omnia in Amsterdam for the Wirtschaftprüfstelle in The Hague and Arnhem during 1941-1944 for the purpose of Aryanization, according to the name of the business, including: confirmation of the start of the Aryanization, survey reports, financial reports, and balances of Jewish businesses; Questionnaires for the registration of Jewish businesses, 1940-1943, including information regarding monies and manpower; appraiser reports and inventory lists that were ordered by the Wirtschaftprüfstelle regarding Jewish businesses; Lists of businesses prepared by the Wirtschaftprüfstelle regarding Aryanization, 1940-1944; Letters of the Wirtschaftprüfstelle, regarding the appointment of trustees, including the setting of salaries, 1940-1944; Names of Jews whose businesses were confiscated by Omnia in the Netherlands during 1941-1944; Regulations regarding companies that were proprietary limited - Ltd.; Confirmations regarding the completion of Aryanization, sent by Omnia to the Wirtschaftprüfstelle regarding various businesses in the Netherlands, 1944.