Leviticus 15:4-6

American Standard Version

⁴ Every bed whereon he that hath the issue lieth shall be unclean; and everything whereon he sitteth shall be unclean. ⁵ And whosoever toucheth his bed shall wash his clothes, and bathe himself in water, and be unclean until the even. ⁶ And he that sitteth on anything whereon he that hath the issue sat shall wash his clothes, and bathe himself in water, and be unclean until the even.