19 Then the priest is to sacrifice the sin offering and make atonement for the one to be cleansed from his uncleanness. After that, the priest shall slaughter the burnt offering
Leviticus 14:19 Cross References - BSB
Leviticus 5:1
1 “If someone sins by failing to testify when he hears a public charge about something he has witnessed, whether he has seen it or learned of it, he shall bear the iniquity.
Leviticus 5:6
6 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 12:6-8
6 When the days of her purification are complete, whether for a son or for a daughter, she is to bring to the priest at the entrance to the Tent of Meeting a year-old lamb for a burnt offering and a young pigeon or a turtledove for a sin offering.
7 And the priest will present them before the LORD and make atonement for her; and she shall be ceremonially cleansed from her flow of blood. This is the law for a woman giving birth, whether to a male or to a female.
8 But if she cannot afford a lamb, she shall bring two turtledoves or two young pigeons, one for a burnt offering and the other for a sin offering. Then the priest will make atonement for her, and she will be clean.’”
Leviticus 14:12
12 Then the priest is to take one of the male lambs and present it as a guilt offering, along with the log of olive oil; and he must wave them as a wave offering before the LORD.
Romans 8:3
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,
2 Corinthians 5:21
21 God made Him who knew no sin to be sin on our behalf, so that in Him we might become the righteousness of God.