Leviticus 14:27-37 RSV

27 and shall sprinkle with his right finger some of the oil that is in his left hand seven times before the LORD;
28 and the priest shall put some of the oil that is in his hand on the tip of the right ear of him who is to be cleansed, and on the thumb of his right hand, and the great toe of his right foot, in the place where the blood of the guilt offering was put;
29 and the rest of the oil that is in the priest's hand he shall put on the head of him who is to be cleansed, to make atonement for him before the LORD.
30 And he shall offer, of the turtledoves or young pigeons such as he can afford,
31 one for a sin offering and the other for a burnt offering, along with a cereal offering; and the priest shall make atonement before the LORD for him who is being cleansed.
32 This is the law for him in whom is a leprous disease, who cannot afford the offerings for his cleansing."
33 The LORD said to Moses and Aaron,
34 "When you come into the land of Canaan, which I give you for a possession, and I put a leprous disease in a house in the land of your possession,
35 then he who owns the house shall come and tell the priest, 'There seems to me to be some sort of disease in my house.'
36 Then the priest shall command that they empty the house before the priest goes to examine the disease, lest all that is in the house be declared unclean; and afterward the priest shall go in to see the house.
37 And he shall examine the disease; and if the disease is in the walls of the house with greenish or reddish spots, and if it appears to be deeper than the surface,