Leviticus 14:38-40

New International Version

³⁸ the priest shall go out the doorway of the house and close it up for seven days.^{(A) 39} On the seventh day^(B) the priest shall return to inspect the house. If the mold has spread on the walls, ⁴⁰ he is to order that the contaminated stones be torn out and thrown into an unclean place outside the town.^(C)