Leviticus 16:14-15

14And he shall take of the blood of the bullock, and sprinkle with his finger upon the front of the mercy-seat eastward; and before the mercy-seat shall he sprinkle of the blood seven times with his finger.

15And he shall slaughter the goat of the sin-offering, which is for the people, and bring its blood inside the veil, and do with its blood as he did with the blood of the bullock, and sprinkle it upon the mercy-seat, and before the mercy-seat;