Leviticus 9:8

The Sin Offering for the Priests

9:8 So Aaron approached the altar and slaughtered the sin offering calf which was for himself.

Leviticus 9:2-3

9:2 and said to Aaron, “Take for yourself a bull calf for a sin offering and a ram for a burnt offering, both flawless, and present them before the Lord. 9:3 Then tell the Israelites: ‘Take a male goat for a sin offering and a calf and lamb, both a year old and flawless, for a burnt offering,