Leviticus 13:51
51On the seventh day, the priest shall reexamine the mildew and if it has spread in the fabric, weave, knit or leather, then regardless of how it is used, [it] is a harmful mildew; [the article] is unclean.
51On the seventh day, the priest shall reexamine the mildew and if it has spread in the fabric, weave, knit or leather, then regardless of how it is used, [it] is a harmful mildew; [the article] is unclean.