Leviticus 14:19-20

14:19 “The priest must then perform the sin offering and make atonement for the one being cleansed from his impurity. After that he is to slaughter the burnt offering, 14:20 and the priest is to offer the burnt offering and the grain offering on the altar. So the priest is to make atonement for him and he will be clean.

Leviticus 14:22

14:22 and two turtledoves or two young pigeons, which are within his means. One will be a sin offering and the other a burnt offering.