Leviticus 4:6

4:5 Then the anointed priest shall take some of the bull's blood and bring it to the tabernacle of meeting.

4:6 The priest shall dip his finger in the blood and sprinkle some of the blood seven times before the LORD, in front of the veil of the sanctuary.

4:7 And the priest shall put some of the blood on the horns of the altar of sweet incense before the LORD, which is in the tabernacle of meeting; and he shall pour the remaining blood of the bull at the base of the altar of the burnt offering, which is at the door of the tabernacle of meeting.