Vayikra 15:22-24

Orthodox Jewish Bible

²² And whosoever toucheth anything that she sat upon shall immerse his garments, and immerse himself in mayim, and be tamei until the erev.

²³ And if it be on her bed, or on any thing whereon she sitteth, when he toucheth it, he shall be tamei until the erev.

²⁴ And if any ish lie with her at all, and her niddah (menstrual flow) be upon him, he shall be tamei seven days; and all the bed whereon he lieth shall be tamei.