Hebrews 7:27-28
who needs not daily, as those high priests, to offer up sacrifices, first for his own sins, and then for the sins of the people: for this he did once, when he offered up himself.
Romans 8:3
For what the law could not do, because it was weak through the flesh, God has done, who, sending his own son in the likeness of sinful flesh, and for a sin-offering, condemned sin in the flesh,
2 Corinthians 5:21
for he has made him, who knew no sin, a sin-offering for us, that we might become the righteousness of God in him.
Hebrews 5:3
and on account of this, he ought, as for the people, so also for himself, to make offering for sins.