Leviticus 4:3-35
If the priest that is anointed do sin according to the sin of the people; then let him bring for his sin, which he has sinned, a young bullock without blemish to the LORD for a sin offering.
Torrey's Topical Textbook—AKJV

Leviticus 6:25
Speak to Aaron and to his sons, saying, This is the law of the sin offering: In the place where the burnt offering is killed shall the sin offering be killed before the LORD: it is most holy.
Torrey's Topical Textbook—AKJV

Leviticus 10:17
Why have you not eaten the sin offering in the holy place, seeing it is most holy, and God has given it you to bear the iniquity of the congregation, to make atonement for them before the LORD?
Torrey's Topical Textbook—AKJV