[Possible/Probable] Decree issued by Byzantine Emperor Justinian I [Byzantine Empire; Present-day Turkey]
Commentary from other sources:
1) “Justinian issued a decree that said that slaves of the Jews are to gain their freedom by converting to Christianity without [offering their owners] any compensation.”
Scherer, Johann E.: Die Rechtverhältnisse der Juden in den deutsch-österreichischen Ländern (Leipzig; 1901) p. 15