Only Aaron may enter the Holy and only on Yom Kippur. He must bring special sacrifices. Casting lots between two goats – one for G-d and one for confessing sins and sending to Azazel

• Following the deaths of Nadav and Avihu, G-d warns against unauthorized entry "into the holy." Only one person, the Kohen Gadol ("high priest"), may, but once a year, on Yom Kippur, enter the innermost chamber in the Sanctuary to offer the sacred ketoret to G-d
• Aaron, should not come at all times into the Holy within the dividing curtain, in front of the cover that is upon the ark, so that he should not die, for I appear over the ark cover in a cloud.
• He should enter the Holy with a young bull for a sin offering and a ram for a burnt offering.
• He shall wear a holy linen shirt and linen pants shall be upon his flesh, and he shall gird himself with a linen sash and wear a linen cap these are holy garments, he shall immerse himself in water and don them.
• And from the community of the children of Israel, he shall take two he goats as a sin offering, and one ram as a burnt offering.
• Aaron shall bring his sin offering bull, and initiate atonement for himself and for his household.
• He shall take the two he goats, and place them before the Lord at the entrance to the Tent of Meeting.
• Aaron shall place lots upon the two he goats: one lot "For the Lord," and the other lot, "For Azazel."
• Aaron shall bring the he goat upon which the lot, "For the Lord," came up, and designate it as a sin offering.
• And the he goat upon which the lot "For Azazel" came up, shall be placed while still alive, before the Lord, to [initiate] atonement upon it, and to send it away to Azazel, into the desert.
• Aaron shall bring his sin offering bull, and shall [initiate] atonement for himself and for his household, and he shall [then] slaughter his sin offering bull.
• And he shall take a pan full of burning coals from upon the altar, from before the Lord, and both hands' full of fine incense, and bring [it] within the dividing curtain.
• And he shall place the incense upon the fire, before the Lord, so that the cloud of the incense shall envelope the ark cover that is over the [tablets of] Testimony, so that he shall not die.
• And he shall take some of the bull's blood and sprinkle [it] with his index finger on top of the ark cover on the eastern side; and before the ark cover, he shall sprinkle seven times from the blood, with his index finger.
• He shall then slaughter the he goat of the people's sin offering and bring its blood within the dividing curtain, and he shall do with its blood as he had done with the bull's blood, and he shall sprinkle it upon the ark cover and before the ark cover.
• And he shall effect atonement upon the Holy from the defilements of the children of Israel and from their rebellions and all their unintentional sins. He shall do likewise to the Tent of Meeting, which dwells with them amidst their defilements.
• And no man shall be in the Tent of Meeting when he comes to effect atonement in the Holy, until he comes out. And he shall effect atonement for himself, for his household, and for all the congregation of Israel.
• And he shall then go out to the altar that is before the Lord and effect atonement upon it: He shall take some of the bull's blood and some of the he goat's blood, and place it on the horns of the altar, around.
• He shall then sprinkle some of the blood upon it with his index finger seven times, and he shall cleanse it and sanctify it of the defilements of the children of Israel.
• And he shall finish effecting atonement for the Holy, the Tent of Meeting, and the altar, and then he shall bring the live he goat.
• And Aaron shall lean both of his hands [forcefully] upon the live he goat's head and confess upon it all the willful transgressions of the children of Israel, all their rebellions, and all their unintentional sins, and he shall place them on the he goat's head, and send it off to the desert with a timely man.
• The he goat shall thus carry upon itself all their sins to a precipitous land, and he shall send off the he goat into the desert.
• And Aaron shall enter the Tent of Meeting and remove the linen garments that he had worn when he came into the Holy, and there, he shall store them away.
• And he shall immerse his flesh in a holy place and don his garments. He shall then go out and sacrifice his burnt offering and the people's burnt offering, and he shall effect atonement for himself and for the people.
• And he shall cause the fat of the sin offering to go up in smoke upon the altar.
• And the person who sent off the he goat to Azazel, shall immerse his garments and immerse his flesh in water. And after this, he may come into the camp.
• And the sin offering bull and he goat of the sin offering, [both of] whose blood was brought to effect atonement in the Holy, he shall take outside the camp, and they shall burn in fire their hides, their flesh, and their waste.
• And the person who burns them shall immerse his garments and immerse his flesh in water. And after this, he may come into the camp.

Laws for Yom Kippur

• And [all this] shall be as an eternal statute for you; in the seventh month, on the tenth of the month, you shall afflict yourselves, and you shall not do any work neither the native nor the stranger who dwells among you. For on this day He shall effect atonement for you to cleanse you. Before the Lord, you shall be cleansed from all your sins.
• It is a Sabbath of rest for you, and you shall afflict yourselves. It is an eternal statute.
• And the Kohen who is anointed or who is invested to serve in his father's stead, shall effect [this] atonement, and he shall don the linen garments, the holy garments; And he shall effect atonement upon the Holy of Holies, and he shall effect atonement upon the Tent of Meeting and upon the altar, and he shall effect atonement upon the kohanim and upon all the people of the congregation.
• [All] this shall be as an eternal statute for you, to effect atonement upon the children of Israel, for all their sins, once each year. And he did as the Lord had commanded Moses.

• Azazel The goat is sent to Azazel on Yom Kippur only