[Possible/Probable] Edict issued by the Parliament of Pisa [Holy Roman Empire; Present-day Italy]
Commentary from other sources:
1) “The parliament of Sicily issued an edicts that required Jew to wear clothing that would make them distinguishable from the Christians.”
Scherer, Johann E.: Die Rechtverhältnisse der Juden in den deutsch-österreichischen Ländern (Leipzig; 1901) p. 57