Leviticus 4:18

18 He is to apply some of the blood to the horns of the altar that is before the Lord in the tent of meeting. He must pour out the rest of the blood at the base of the altar of burnt offering that is at the entrance to the tent of meeting.

Leviticus 4:18 In-Context

16 The anointed priest will bring some of the bull's blood into the tent of meeting.
17 The priest is to dip his finger in the blood and sprinkle [it] seven times before the Lord in front of the veil.
18 He is to apply some of the blood to the horns of the altar that is before the Lord in the tent of meeting. He must pour out the rest of the blood at the base of the altar of burnt offering that is at the entrance to the tent of meeting.
19 He is to remove all the fat from it and burn it on the altar.
20 He is to offer this bull just as he did with the bull in the sin offering; he will offer it the same way. So the priest will make atonement on their behalf, and they will be forgiven.
Holman Christian Standard Bible ® Copyright © 2003, 2002, 2000, 1999 by Holman Bible Publishers.  Used by permission.  All rights reserved.