Leviticus 14:31-33

³¹even such as he is able to get, the one for a sin offering, and the other for a burnt offering, with the meat offering: and the priest shall make an atonement for him that is to be cleansed before the Lord.

³²This is the law of him in whom is the plague of leprosy, whose hand is not able to get that which pertaineth to his cleansing.

³³And the Lord spake unto Moses and unto Aaron, saying,