Leviticus 13:51-53

51And he shall look on the plague on the seventh day: if the plague is spread in the garment, either in the warp, or in the woof, or in a skin, or in any work that is made of skin; the plague is an active leprosy; it is unclean. 52He shall therefore burn that garment, whether warp or woof, in woollen or in linen, or any thing of skin, in which the plague is: for it is an active leprosy; it shall be burnt in the fire. 53And if the priest shall look, and, behold, the plague is not spread in the garment, either in the warp, or in the woof, or in any thing of skin;