Deuteronomy 17:8-9

8If there arise a matter too hard for thee in judgment, between blood and blood, between cause and cause, and between stroke and stroke, matters of controversy within thy gates, then shalt thou arise, and go up to the place which Jehovah thy 1God will choose.

9And thou shalt come unto the priests, the Levites, and unto the judge that shall be in those days, and inquire; and they shall declare unto thee the sentence of judgment;