Leviticus 15:21-23

New American Standard Bible

²¹ Anyone who touches her bed shall wash his clothes and bathe in water and be unclean until evening. 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.