Deuteronomy 17:8; Deuteronomy 21:5; Deuteronomy 24:8

Deuteronomy 17:8

8 "If any case is too difficult for you to decide, between one kind of homicide or another, between one kind of lawsuit or another, and between one kind of assault or another, being cases of dispute in your courts, then you shall arise and go up to the place which the LORD your God chooses.

Deuteronomy 21:5

5 "Then the priests, the sons of Levi, shall come near, for the LORD your God has chosen them to serve Him and to bless in the name of the LORD ; and every dispute and every assault shall be settled by them.

Deuteronomy 24:8

8 "Be careful against an infection of leprosy, that you diligently observe and do according to all that the Levitical priests teach you; as I have commanded them, so you shall be careful to do.