Decree issued by Sancho IV of Castile [Spain] [Unconfirmed]
Commentary from other sources:
1) Apart from the provisions of the Ordinances, it is significant to note the fact that in 1286 Sancho IV added provisions for the Council of Oviedo to prohibit Jews from having a separate magistrate, and subjected them to the same magistrates who hear cases of the other residents of the city.”
“Oviedo’s Ordinances.” Online article