Leviticus 13:33-35 American Standard Version (ASV)

33. then he shall be shaven, but the scall shall he not shave; and the priest shall shut up him that hath the scall seven days more:

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,

Leviticus 13