Numbers 8:21-23

World English Bible

²¹ The Levites purified themselves from sin, and they washed their clothes; and Aaron offered them for a wave offering before Yahweh and Aaron made atonement for them to cleanse them. ²² After that, the Levites went in to do their service in the Tent of Meeting before Aaron and before his sons: as Yahweh had commanded Moses concerning the Levites, so they did to them.

²³ Yahweh spoke to Moses, saying,