Leviticus 16:11
"Aaron is then to bring the bull for a sin offering for himself, thus making atonement for himself and his household. He is to slaughter the ox for himself.
Leviticus 16:6
Then Aaron is to bring the bull as a sin offering for himself and make atonement for himself and his household.
Leviticus 16:3
Aaron is to enter the sacred place with a young bull for a sin offering and a ram for a whole burnt offering.
Hebrews 7:27
He has no need to offer sacrifices every day like high priests do, first for his own sins and then for those of the people, since he did this once for all when he sacrificed himself.
Hebrews 9:7
But only the high priest went into the second part, and then only once a year, and never without blood, which he offered for himself and for the sins committed by the people in ignorance.