Leviticus 1:5

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 1:11

1:11 and must slaughter it on the north side of the altar before the Lord, and the sons of Aaron, the priests, will splash its blood against the altar’s sides.

Leviticus 3:2

3:2 He must lay his hand on the head of his offering and slaughter it at the entrance of the Meeting Tent, and the sons of Aaron, the priests, must splash the blood against the altar’s sides.

Leviticus 3:8

3:8 He must lay his hand on the head of his offering and slaughter it before the Meeting Tent, and the sons of Aaron must splash its blood against the altar’s sides.

Exodus 29:10-11

29:10 “You are to present the bull at the front of the tent of meeting, and Aaron and his sons are to put their hands on the head of the bull. 29:11 You are to kill the bull before the Lord at the entrance to the tent of meeting