You are to go to the Levitical priests and to the judge who presides at that time. Inquire of them, and they will give you a verdict in the case.
KJV
And thou shalt come unto the priests the Levites, and unto the judge that shall be in those days, and inquire; and they shall shew thee the sentence of judgment:
ASV
and thou shalt come unto the priests the Levites, and unto the judge that shall be in those days: and thou shalt inquire; and they shall show thee the sentence of judgment.