Leviticus 14:30-39

³⁰And he shall offer the one of the turtle-doves, or of the young pigeons, from what his means enable him to bring;

³¹Even what his means enable him, the one for a sin-offering, and the other for a burnt-offering, with the meat-offering: and the priest shall thus make an atonement for him that is to be cleansed, before the Lord.

³²This is the law of him on whom is the plague of leprosy, whose means are not sufficient when he is cleansed.

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

³⁴When ye come into the land of Canaan, which I give to you for a possession, and I put the plague of leprosy on a house of the land of your possession:

³⁵Then shall he that owneth the house come and tell the priest, saying, Something like a leprosy hath shown itself to me in the house.

³⁶And the priest shall command that they clear out the house, before the priest go into it to see the plague, that all be not made unclean that is in the house: and after this shall the priest go in to see the house.

³⁷And he shall view the plague, and, behold, if the plague be in the walls of the house, in depressions, dark green or dark red, and their appearance be deeper than the wall:

³⁸Then shall the priest go out of the house to the door of the house, and lock up the house seven days.

³⁹And the priest shall come again on the seventh day; and if he see, that, behold, the plague have spread in the walls of the house: