Numbers 8:10-12

New Revised Standard Version, Anglicised Catholic Edition

¹⁰ When you bring the Levites before the Lord, the Israelites shall lay their hands on the Levites, ¹¹ and Aaron shall present the Levites before the Lord as an elevation-offering from the Israelites, that they may perform the service of the Lord. ¹² The Levites shall lay their hands on the heads of the bulls, and he shall offer one for a sin-offering and the other for a burnt-offering to the Lord, to make atonement for the Levites.