Leviticus 15:20-22

New Revised Standard Version, Anglicised

²⁰ Everything upon which she lies during her impurity shall be unclean; everything also upon which she sits shall be unclean. ²¹ Whoever touches her bed shall wash his clothes, and bathe in water, and be unclean until the evening. ²² Whoever touches anything upon which she sits shall wash his clothes, and bathe in water, and be unclean until the evening;