Leviticus 13:51-53

51He shall examine the mark on the seventh day; if it has spread in the garment, whether in the warp or the woof, or in the leather, whatever the leather’s purpose, the mark is a malignant leprosy; it is unclean.

52So he shall burn the garment, whether the warp or woof, in wool or linen, or on anything made of leather in which the mark occurs; for it is a malignant leprosy; it shall be burned in the fire.

53“But if the priest sees that the mark has not spread in the garment, either in the warp or the woof, or on anything made of leather,