Cross reference
Leviticus 14:31
31 And of these, he will give one for a sin-offering and one for a burned offering, with the meal offering; and the priest will take away the sin of him who is to be made clean before the Lord.
Leviticus 5:7
7 And if he has not money enough for a lamb, then let him give, for his offering to the Lord, two doves or two young pigeons; one for a sin-offering and one for a burned offering.
Leviticus 14:18
18 And the rest of the oil in the priest's hand he will put on the head of him who is to be made clean; and so the priest will make him free from sin before the Lord.