Exodus 29:10
Bring the bull to the front of the Tent of Meeting, and Aaron and his sons are to lay their hands on its head.

Exodus 29:12
Take some of the blood of the bull and put it on the horns of the altar with your finger; then pour out the rest of the blood at the base of the altar.

Leviticus 1:5
And he shall slaughter the bull before the LORD, and Aaron's sons the priests are to present the blood and sprinkle it on all sides of the altar that is at the entrance to the Tent of Meeting.

Leviticus 3:2
He is to lay his hand on the head of the offering and slaughter it at the entrance to the Tent of Meeting. Then Aaron's sons the priests shall sprinkle the blood on all sides of the altar.

Leviticus 14:13
Then he is to slaughter the lamb in the holy place where the sin offering and burnt offering are slaughtered. Like the sin offering, the guilt offering belongs to the priest; it is most holy.