Leviticus 16:33-34

Darby Translation

³³ And he shall make atonement for the holy sanctuary; and for the tent of meeting, and for the altar shall he make atonement; and for the priests, and for the whole people of the congregation shall he make atonement.

³⁴ And this shall be an everlasting statute unto you, to make atonement for the children of Israel [to cleanse them] from all their sins once a year. And he did as Jehovah had commanded Moses.