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 spoke to Moses and to Aaron, saying,