Imamat 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.

Imamat 16:11

The Sin Offering Sacrificial Procedures

16:11 “Aaron is to present the sin offering bull which is for himself, and he is to make atonement on behalf of himself and his household. He is to slaughter the sin offering bull which is for himself,