Then the priest is to take some of the blood of the sin offering with his finger, put it on the horns of the altar of burnt offering, and pour out the rest of the blood at the base of the altar.

Leviticus 4:7
The priest must then put some of the blood on the horns of the altar of fragrant incense that is before the LORD in the Tent of Meeting. And he is to pour out the rest of the bull's blood at the base of the altar of burnt offering at the entrance to the Tent of Meeting.

Leviticus 4:18
He is also to put some of the blood on the horns of the altar that is before the LORD in the Tent of Meeting, and he must pour out the rest of the blood at the base of the altar of burnt offering at the entrance to the Tent of Meeting.

Leviticus 4:24
He is to lay his hand on the head of the goat and slaughter it at the place where the burnt offering is slaughtered before the LORD. It is a sin offering.

Leviticus 16:18
Then he shall go out to the altar that is before the LORD and make atonement for it. He is to take some of the bull's blood and some of the goat's blood and put it on all the horns of the altar.

And the priest shall take of the blood of the sin offering with his finger, and put it on the horns of the altar of burnt offering, and shall pour out his blood at the bottom of the altar of burnt offering.