Leviticus 15:22-24

New American Standard Bible

²² Whoever touches any object on which she sits shall wash his clothes and bathe in water and be unclean until evening. ²³ Whether it be on the bed or on the thing on which she is sitting, when he touches it, he shall be unclean until evening. ^24 (A)If a man actually sleeps with her so that her menstrual impurity is on him, he shall be unclean seven days, and every bed on which he lies shall be unclean.