CAB(i)
11 And Aaron shall separate the Levites for a gift before the Lord from the children of Israel; and they shall be prepared to perform the works of the Lord.
12 And the Levites shall lay their hands on the heads of the calves; and you shall offer one for a sin offering, and the other for a whole burnt offering to the Lord, to make atonement for them.
13 And you shall set the Levites before the Lord, and before Aaron, and before his sons; and you shall give them as a gift before the Lord.