Leviticus 13:34-36

American Standard Version

³⁴ and in the seventh day the priest shall look on the scall; and, behold, if the scall be not spread in the skin, and the appearance thereof be not deeper than the skin; then the priest shall pronounce him clean: and he shall wash his clothes, and be clean. ³⁵ But if the scall spread abroad in the skin after his cleansing, ³⁶ then the priest shall look on him; and, behold, if the scall be spread in the skin, the priest shall not seek for the yellow hair; he is unclean.