[Possible/Probable] Ordinance “De solutione census per Judaeorum” issued by Carl IV [Present-day Czech Republic] [Provisional]: “[…] Should a Jew receive a pledge in exchange to the debt owed to him, he may not sell it without acquiring authorisation and consent […] or be punished with disfavor and the confiscation of the pledge itself.”
Stein, Abraham (Rabbi in Radnitz): Die Geschichte der Juden in Böhmen: Nach amtlichen gedruckten und ungedruckten Quellen Bearbeitet; (“The History of the Jews of Bohemia: Edited according to Official Printed and Unprinted Sources”); (Brünn; 1904); Researched and Translated by Ziba Shadjaani 2/11/2018