Numbers 6:9-11

‘But if a man dies very suddenly beside him and he defiles his dedicated head of hair, then he shall shave his head on the day when he becomes clean; he shall shave it on the seventh day. Then on the eighth day he shall bring two turtledoves or two young pigeons to the priest, to the doorway of the tent of meeting. The priest shall offer one for a sin offering and the other for a burnt offering, and make atonement for him concerning his sin because of the dead person. And that same day he shall consecrate his head