Exodus 28:43

28:43 These must be on Aaron and his sons when they enter to the tent of meeting, or when they approach the altar to minister in the Holy Place, so that they bear no iniquity and die. It is to be a perpetual ordinance for him and for his descendants after him.

Exodus 29:9

29:9 and wrap the sashes around Aaron and his sons and put headbands on them, and so the ministry of priesthood will belong to them by a perpetual ordinance. Thus you are to consecrate Aaron and his sons.

Exodus 29:28

29:28 It is to belong to Aaron and to his sons from the Israelites, by a perpetual ordinance, for it is a contribution. It is to be a contribution from the Israelites from their peace offerings, their contribution to the Lord.

Leviticus 3:17

3:17 This is a perpetual statute throughout your generations in all the places where you live: You must never eat any fat or any blood.’”

Leviticus 16:34

16:34 This is to be a perpetual statute for you to make atonement for the Israelites for all their sins once a year.” So he did just as the Lord had commanded Moses.

Leviticus 24:9

24:9 It will belong to Aaron and his sons, and they must eat it in a holy place because it is most holy to him, a perpetual allotted portion from the gifts of the Lord.”

Numbers 18:23

18:23 But the Levites must perform the service of the tent of meeting, and they must bear their iniquity. It will be a perpetual ordinance throughout your generations that among the Israelites the Levites have no inheritance.

Numbers 19:21

19:21 “‘So this will be a perpetual ordinance for them: The one who sprinkles the water of purification must wash his clothes, and the one who touches the water of purification will be unclean until evening.

Numbers 19:1

The Red Heifer Ritual

19:1 The Lord spoke to Moses and Aaron:

Numbers 30:1

Vows Made by Men

30:1 Moses told the leaders of the tribes concerning the Israelites, “This is what the Lord has commanded: