Numbers 10:8

10:8 The sons of Aaron, the priests, must blow the trumpets; and they will be to you for an eternal ordinance throughout your generations.

Numbers 18:8

The Portion of the Priests

18:8 The Lord spoke to Aaron, “See, I have given you the responsibility for my raised offerings; I have given all the holy things of the Israelites to you as your priestly portion and to your sons as a perpetual ordinance.

Exodus 12:14

12:14 This day will become a memorial for you, and you will celebrate it as a festival to the Lord – you will celebrate it perpetually as a lasting ordinance.

Exodus 12:24

12:24 You must observe this event as an ordinance for you and for your children forever.

Exodus 12:43

Participation in the Passover

12:43 The Lord said to Moses and Aaron, “This is the ordinance of the Passover. No foreigner may share in eating it.

Exodus 12:1

The Institution of the Passover

12:1 The Lord said to Moses and Aaron in the land of Egypt,

Exodus 30:25

30:25 You are to make this into a sacred anointing oil, a perfumed compound, the work of a perfumer. It will be sacred anointing oil.