Leviticus 15:29-30

JPS_ASV_Byz(i) 29 And on the eighth day she shall take unto her two turtle-doves, or two young pigeons, and bring them unto the priest, to the door of the tent of meeting. 30 And the priest shall offer the one for a sin-offering, and the other for a burnt-offering; and the priest shall make atonement for her before the LORD for the issue of her uncleanness.