Cross reference
Leviticus 14:31
31 even such as he is able to get, the one for a sin-offering, and the other for a burnt-offering, with the meal-offering: and the priest shall make atonement for him that is to be cleansed before Jehovah.
Leviticus 5:7
7 And if his means suffice not for a lamb, then he shall bring his trespass-offering for that wherein he hath sinned, two turtle-doves, or two young pigeons, unto Jehovah; one for a sin-offering, and the other for a burnt-offering.
Leviticus 14:18
18 and the rest of the oil that is in the priest's hand he shall put upon the head of him that is to be cleansed: and the priest shall make atonement for him before Jehovah.