2 Chronicles 29:24
and then the priests slaughtered them and purged the altar with their blood as a sin offering to atone for all Israel, because the king ordered that the burnt offering and the sin offering be made for all Israel.
Leviticus 4:13-35
"If the whole congregation of Israel goes astray, and if the sin is hidden from the eyes of the assembly, and if they go astray from one of the LORD's commands that should not be violated, then they will stand guilty.
Leviticus 6:30
Any sin offering from which its blood was brought to the Tent of Meeting to make atonement in the sacred place is not to be eaten. Instead, it is to be incinerated."
Leviticus 8:15
So Moses slaughtered it, took the blood, and applied some of it at the horns of the altar and around it with his fingers, thus purifying the altar. Then he poured the blood at the base of the altar, thereby sanctifying it as a means to make atonement with it.
Leviticus 14:20
The priest is to offer both the whole burnt and the grain offerings on the altar. After the priest makes atonement for him, he will be clean."
Ezekiel 45:15
The sheep quota is to be one from each flock of 200 taken from the pastures of Israel. From all of these you are to present grain offerings, burnt offerings, and peace offerings, to make atonement for them," declares the Lord GOD.
Ezekiel 45:17
The Regent Prince is to provide the burnt offerings, grain offerings, and drink offerings at the festivals, on the New Moons and Sabbaths, and at all of the prescribed festivals of the house of Israel. He is to provide the grain offerings, burnt offerings, and peace offerings in order to make atonement for the house of Israel."
Daniel 9:24
Seventy weeks have been decreed concerning your people and your holy city: to restrain transgression, to put an end to sin, to make atonement for lawlessness, to establish everlasting righteousness, to conclude vision and prophecy, and to anoint the Most Holy Place.
Romans 5:10-11
For if, while we were enemies, we were reconciled to God through the death of his Son, how much more, having been reconciled, will we be saved by his life!
2 Corinthians 5:18-21
All of this comes from God, who has reconciled us to himself through the Messiah and has given us the ministry of reconciliation,
Colossians 1:20-21
Through the Son, God also reconciled all things to himself, whether things on earth or things in heaven, thereby making peace through the blood of his cross.
Hebrews 2:17
thereby becoming like his brothers in every way, so that he could be a merciful and faithful high priest in service to God and could atone for the people's sins.