Numbers 7:89

7:89 Now when Moses went into the tent of meeting to speak with the Lord, he heard the voice speaking to him from above the atonement lid that was on the ark of the testimony, from between the two cherubim. Thus he spoke to him.

Numbers 8:19

8:19 I have given the Levites as a gift to Aaron and his sons from among the Israelites, to do the work for the Israelites in the tent of meeting, and to make atonement for the Israelites, so there will be no plague among the Israelites when the Israelites come near the sanctuary.”

Numbers 15:25

15:25 And the priest is to make atonement for the whole community of the Israelites, and they will be forgiven, because it was unintentional and they have brought their offering, an offering made by fire to the Lord, and their purification offering before the Lord, for their unintentional offense.

Numbers 16:46

16:46 Then Moses said to Aaron, “Take the censer, put burning coals from the altar in it, place incense on it, and go quickly into the assembly and make atonement for them, for wrath has gone out from the Lord – the plague has begun!”