Numbers 5:25

5:25 The priest will take the grain offering of suspicion from the woman’s hand, wave the grain offering before the Lord, and bring it to the altar.

Numbers 8:11

8:11 and Aaron is to offer the Levites before the Lord as a wave offering from the Israelites, that they may do the work of the Lord.

Numbers 8:13

8:13 You are to have the Levites stand before Aaron and his sons, and then offer them as a wave offering to the Lord.

Numbers 8:15

8:15 “After this, the Levites will go in to do the work of the tent of meeting. So you must cleanse them and offer them like a wave offering.

Numbers 8:21

8:21 The Levites purified themselves and washed their clothing; then Aaron presented them like a wave offering before the Lord, and Aaron made atonement for them to purify them.