Leviticus 16:5-7

American Standard Version

⁵ And he shall take of the congregation of the children of Israel two he-goats for a sin-offering, and one ram for a burnt-offering.

⁶ And Aaron shall present the bullock of the sin-offering, which is for himself, and make atonement for himself, and for his house. ⁷ And he shall take the two goats, and set them before Jehovah at the door of the tent of meeting.