Leviticus 14:33

Even 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.

This 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.

When ye be come into the land of Canaan, which I give to you for a possession, and I put the plague of leprosy in a house of the land of your possession;

And he that owneth the house shall come and tell the priest, saying, It seemeth to me there is as it were a plague in the house: