Leviticus

And he shall lay his hand upon the head of the sin offering, and slay the sin offering in the place of the burnt offering.

Speak unto Aaron and to his sons, saying, This is the law of the sin offering: In the place where the burnt offering is killed shall the sin offering be killed before the Lord: it is most holy.

And he shall bring the bullock unto the door of the tabernacle of the congregation before the Lord; and shall lay his hand upon the bullock’s head, and kill the bullock before the Lord.

And he shall take away all the fat thereof, as the fat is taken away from off the sacrifice of peace offerings; and the priest shall burn it upon the altar for a sweet savour unto the Lord; and the priest shall make an atonement for him, and it shall be forgiven him.

In the place where they kill the burnt offering shall they kill the trespass offering: and the blood thereof shall he sprinkle round about upon the altar.