Leviticus 13:47-59

The garment also that the plague of leprosy is in, whether it be a woollen garment, or a linen garment; whether it be in warp, or woof; of linen, or of woollen; whether in a skin, or in anything made of skin; if the plague be greenish or reddish in the garment, or in the skin, or in the warp, or in the woof, or in anything of skin; it is the plague of leprosy, and shall be showed unto the priest. And the priest shall look upon the plague, and shut up that which hath the plague seven days: and he shall look on the plague on the seventh day: if the plague be spread in the garment, either in the warp, or in the woof, or in the skin, whatever service skin is used for; the plague is a fretting leprosy; it is unclean. And he shall burn the garment, whether the warp or the woof, in woollen or in linen, or anything of skin, wherein the plague is: for it is a fretting leprosy; it shall be burnt in the fire. And if the priest shall look, and, behold, the plague be not spread in the garment, either in the warp, or in the woof, or in anything of skin; then the priest shall command that they wash the thing wherein the plague is, and he shall shut it up seven days more: and the priest shall look, after that the plague is washed; and, behold, if the plague have not changed its color, and the plague be not spread, it is unclean; thou shalt burn it in the fire: it is a fret, whether the bareness be within or without. And if the priest look, and, behold, the plague be dim after the washing thereof, then he shall rend it out of the garment, or out of the skin, or out of the warp, or out of the woof: and if it appear still in the garment, either in the warp, or in the woof, or in anything of skin, it is breaking out: thou shalt burn that wherein the plague is with fire. And the garment, either the warp, or the woof, or whatsoever thing of skin it be, which thou shalt wash, if the plague be departed from them, then it shall be washed the second time, and shall be clean. This is the law of the plague of leprosy in a garment of woollen or linen, either in the warp, or the woof, or anything of skin, to pronounce it clean, or to pronounce it unclean.