Leviticus 9:8

So Aaron came near to the altar and slaughtered the calf of the sin offering which was for himself.

He shall lay his hand on the head of the burnt offering, that it may be accepted for him to make atonement on his behalf.

Then the Lord spoke to Moses, saying,

He shall lay his hand on the head of the sin offering and slay the sin offering at the place of the burnt offering.

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