Exodus 30:10

Aaron shall make atonement on its horns once in the year; with the blood of the sin offering of atonement once in the year he shall make atonement for it throughout your generations. It is most holy to Yahweh."

Leviticus 16:18

"He shall go out to the altar that is before Yahweh and make atonement for it, and shall take some of the bull's blood, and some of the goat's blood, and put it around on the horns of the altar.

Leviticus 23:27

"However on the tenth day of this seventh month is the day of atonement: it shall be a holy convocation to you, and you shall afflict yourselves; and you shall offer an offering made by fire to Yahweh.

Exodus 29:36-37

Every day you shall offer the bull of sin offering for atonement: and you shall cleanse the altar, when you make atonement for it; and you shall anoint it, to sanctify it.

Leviticus 16:5-6

He shall take from the congregation of the children of Israel two male goats for a sin offering, and one ram for a burnt offering.

Leviticus 16:29-30

"It shall be a statute to you forever: in the seventh month, on the tenth day of the month, you shall afflict your souls, and shall do no kind of work, the native-born, or the stranger who lives as a foreigner among you:

Hebrews 1:3

His Son is the radiance of his glory, the very image of his substance, and upholding all things by the word of his power, when he had by himself made purification for our sins, sat down on the right hand of the Majesty on high;

Hebrews 9:7

but into the second the high priest alone, once in the year, not without blood, which he offers for himself, and for the errors of the people.

Hebrews 9:22-23

According to the law, nearly everything is cleansed with blood, and apart from shedding of blood there is no remission.

Hebrews 9:25

nor yet that he should offer himself often, as the high priest enters into the holy place year by year with blood not his own,

Treasury of Scripture Knowledge

Summary

And Aaron shall make an atonement upon the horns of it once in a year with the blood of the sin offering of atonements: once in the year shall he make atonement upon it throughout your generations: it is most holy unto the LORD.

Sin offering

General references

Bible References

Aaron

Exodus 29:36
Every day you shall offer the bull of sin offering for atonement: and you shall cleanse the altar, when you make atonement for it; and you shall anoint it, to sanctify it.
Leviticus 16:18
"He shall go out to the altar that is before Yahweh and make atonement for it, and shall take some of the bull's blood, and some of the goat's blood, and put it around on the horns of the altar.
Leviticus 23:27
"However on the tenth day of this seventh month is the day of atonement: it shall be a holy convocation to you, and you shall afflict yourselves; and you shall offer an offering made by fire to Yahweh.
Hebrews 1:3
His Son is the radiance of his glory, the very image of his substance, and upholding all things by the word of his power, when he had by himself made purification for our sins, sat down on the right hand of the Majesty on high;
Hebrews 9:7
but into the second the high priest alone, once in the year, not without blood, which he offers for himself, and for the errors of the people.

Sin offering

Leviticus 16:5
He shall take from the congregation of the children of Israel two male goats for a sin offering, and one ram for a burnt offering.

General references

Leviticus 16:18
"He shall go out to the altar that is before Yahweh and make atonement for it, and shall take some of the bull's blood, and some of the goat's blood, and put it around on the horns of the altar.