Leviticus 1:4-5

1:4 He must lay his hand on the head of the burnt offering, and it will be accepted for him to make atonement on his behalf. 1:5 Then the one presenting the offering must slaughter the bull before the Lord, and the sons of Aaron, the priests, must present the blood and splash the blood against the sides of the altar which is at the entrance of the Meeting Tent.

Leviticus 4:4

4:4 He must bring the bull to the entrance of the Meeting Tent before the Lord, lay his hand on the head of the bull, and slaughter the bull before the Lord.

Leviticus 4:29

4:29 He must lay his hand on the head of the sin offering and slaughter the sin offering in the place where the burnt offering is slaughtered.