He is to cast lots1 for the two goats--one lot for the LORD and the other for the scapegoat.2
References for Leviticus 16:8
Aaron shall bring the goat whose lot falls to the LORD and sacrifice it for a sin offering.
But the goat chosen by lot as the scapegoat shall be presented alive before the LORD to be used for making atonement3 by sending it into the desert as a scapegoat.
References for Leviticus 16:10
"Aaron shall bring the bull for his own sin offering to make atonement for himself and his household,4 and he is to slaughter the bull for his own sin offering.
References for Leviticus 16:11
He is to take a censer full of burning coals5 from the altar before the LORD and two handfuls of finely ground fragrant incense6 and take them behind the curtain.
References for Leviticus 16:12
He is to put the incense on the fire before the LORD, and the smoke of the incense will conceal the atonement cover7 above the Testimony, so that he will not die.8
References for Leviticus 16:13
He is to take some of the bull's blood9 and with his finger sprinkle it on the front of the atonement cover; then he shall sprinkle some of it with his finger seven times before the atonement cover.10
References for Leviticus 16:14
"He shall then slaughter the goat for the sin offering for the people11 and take its blood behind the curtain12 and do with it as he did with the bull's blood: He shall sprinkle13 it on the atonement cover and in front of it.
References for Leviticus 16:15
In this way he will make atonement14 for the Most Holy Place15 because of the uncleanness and rebellion of the Israelites, whatever their sins have been. He is to do the same for the Tent of Meeting,16 which is among them in the midst of their uncleanness.
References for Leviticus 16:16
No one is to be in the Tent of Meeting from the time Aaron goes in to make atonement in the Most Holy Place until he comes out, having made atonement for himself, his household and the whole community of Israel.
"Then he shall come out to the altar17 that is before the LORD and make atonement for it. He shall take some of the bull's blood and some of the goat's blood and put it on all the horns of the altar.18
References for Leviticus 16:18