Leviticus 16:33-34

New Revised Standard Version, Anglicised Catholic Edition

³³ He shall make atonement for the sanctuary, and he shall make atonement for the tent of meeting and for the altar, and he shall make atonement for the priests and for all the people of the assembly. ³⁴ This shall be an everlasting statute for you, to make atonement for the people of Israel once in the year for all their sins. And Moses did as the Lord had commanded him.