"Aaron shall offer the bull as a sin offering, which is for himself, and make atonement for himself and for his house.
Leviticus 16:6
Surrounding context
16:5 And he shall take from the congregation of the children of Israel two kids of the goats as a sin offering, and one ram as a burnt offering.
16:6 "Aaron shall offer the bull as a sin offering, which is for himself, and make atonement for himself and for his house.
16:7 He shall take the two goats and present them before the LORD at the door of the tabernacle of meeting.