Aaron therefore went unto the altar, and slew the calf of the sin offering, which was for himself.
Leviticus 1:4
And he shall put his hand upon the head of the burnt offering; and it shall be accepted for him to make atonement for him.
Leviticus 1:5
And he shall kill the bullock before the LORD: and the priests, Aaron's sons, shall bring the blood, and sprinkle the blood round about upon the altar that is by the door of the tabernacle of the congregation.
Leviticus 4:4
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.
Leviticus 4:29
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.