Leviticus 16:6-7

⁶and when he offereth a calf, and prayeth, for himself, and for his house, (and after that he offereth the calf, and prayeth for cleansing for himself, and for his household, or for his family,)

⁷he shall make (the) two goat bucks to stand before the Lord, in the door of the tabernacle of witnessing (or at the entrance to the Tabernacle of the Witnessing);