Leviticus 14:19-20

14:19 “The priest must then perform the sin offering and make atonement for the one being cleansed from his impurity. After that he is to slaughter the burnt offering, 14:20 and the priest is to offer the burnt offering and the grain offering on the altar. So the priest is to make atonement for him and he will be clean.

Leviticus 16:6

16:6 Then Aaron is to present the sin offering bull which is for himself and is to make atonement on behalf of himself and his household.

Leviticus 9:7

9:7 Moses then said to Aaron, “Approach the altar and make your sin offering and your burnt offering, and make atonement on behalf of yourself and on behalf of the people; and also make the people’s offering and make atonement on behalf of them just as the Lord has commanded.”