Jun. 14, 1938

“Third Executive Order on the Reich Citizenship Law” issued by Reich Minister of Interior [Germany]: “[…] Article 7 (1) – Jewish businesses are recorded in a register. The Minister of the Interior will determine the authorities, where this register will be kept. […] Article 17 – The Reich Minister of Economic Affairs is empowered – in consultation with the Reich Minister of the Interior and the deputy of the Fuehrer- to order, that businesses, which are registered in the list of Jewish businesses, have to display a distinctive sign. Berlin 14 June 1938 – The Reich Minister of the Interior Frick; the Deputy, of the Fuehrer Hess; the Reich Minister of Economic Affairs; the Reich Justice Minister Dr. Guertner.”
1938 Reichsgesetzblatt I, page 627. Accessed online; Translated by Franziska Wagener 10/12/2015