Leviticus 4:27-31
And if one of the common people sins unintentionally and does what is prohibited by any of the LORD’s commandments, he incurs guilt. / When he becomes aware of the sin he has committed, he must bring an unblemished female goat as his offering for that sin. / He is to lay his hand on the head of the sin offering and slaughter it at the place of the burnt offering. ...

Leviticus 5:5-6
If someone incurs guilt in one of these ways, he must confess the sin he has committed, / and he must bring his guilt offering to the LORD for the sin he has committed: a female lamb or goat from the flock as a sin offering. And the priest will make atonement for him concerning his sin.

Leviticus 16:15-16
Aaron shall then slaughter the goat for the sin offering for the people and bring its blood behind the veil, and with its blood he must do as he did with the bull’s blood: He is to sprinkle it against the mercy seat and in front of it. / So he shall make atonement for the Most Holy Place because of the impurities and rebellious acts of the Israelites in regard to all their sins. He is to do the same for the Tent of Meeting which abides among them in the midst of their impurities.

Leviticus 23:19
You shall also prepare one male goat as a sin offering and two male lambs a year old as a peace offering.

2 Chronicles 29:21-24
They brought seven bulls, seven rams, seven lambs, and seven male goats as a sin offering for the kingdom, for the sanctuary, and for Judah. And the king commanded the priests, the descendants of Aaron, to offer them on the altar of the LORD. / So they slaughtered the bulls, and the priests took the blood and splattered it on the altar. They slaughtered the rams and splattered the blood on the altar. And they slaughtered the lambs and splattered the blood on the altar. / Then they brought the goats for the sin offering before the king and the assembly, who laid their hands on them. ...

Ezra 6:17
For the dedication of the house of God they offered a hundred bulls, two hundred rams, four hundred lambs, and a sin offering for all Israel of twelve male goats, one for each tribe of Israel.

Nehemiah 10:33
for the showbread, for the regular grain offerings and burnt offerings, for the Sabbath offerings, for the New Moons and appointed feasts, for the holy offerings, for the sin offerings to make atonement for Israel, and for all the duties of the house of our God.

Ezekiel 45:22-23
On that day the prince shall provide a bull as a sin offering for himself and for all the people of the land. / Each day during the seven days of the feast, he shall provide seven bulls and seven rams without blemish as a burnt offering to the LORD, along with a male goat for a sin offering.

Hebrews 9:22
According to the law, in fact, nearly everything must be purified with blood, and without the shedding of blood there is no forgiveness.

Hebrews 10:4
because it is impossible for the blood of bulls and goats to take away sins.

Hebrews 10:10-12
And by that will, we have been sanctified through the sacrifice of the body of Jesus Christ once for all. / Day after day every priest stands to minister and to offer again and again the same sacrifices, which can never take away sins. / But when this Priest had offered for all time one sacrifice for sins, He sat down at the right hand of God.

Romans 3:25
God presented Him as an atoning sacrifice in His blood through faith, in order to demonstrate His righteousness, because in His forbearance He had passed over the sins committed beforehand.

Romans 8:3
For what the law was powerless to do in that it was weakened by the flesh, God did by sending His own Son in the likeness of sinful man, as an offering for sin. He thus condemned sin in the flesh,

1 John 2:2
He Himself is the atoning sacrifice for our sins, and not only for ours but also for the sins of the whole world.

1 John 4:10
And love consists in this: not that we loved God, but that He loved us and sent His Son as the atoning sacrifice for our sins.