Exodus 30:10

And Aaron shall make an atonement upon its horns 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.

Leviticus 16:18

And he shall go out unto the altar that is before the LORD, and make an atonement for it; and shall take of the blood of the bullock, and of the blood of the goat, and put it upon the horns of the altar round about.

Leviticus 23:27

Also on the tenth day of this seventh month there shall be a day of atonement: it shall be a holy convocation unto you; and you shall humble yourselves, and offer an offering made by fire unto the LORD.

Exodus 29:36-37

And you shall offer every day a bullock for a sin offering for atonement: and you shall cleanse the altar, when you have made an atonement for it, and you shall anoint it, to sanctify it.

Leviticus 16:5-6

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

Leviticus 16:29-30

And this shall be a statute forever unto you: that in the seventh month, on the tenth day of the month, you shall humble yourselves, and do no work at all, whether it be one of your own country, or a stranger that sojourns among you:

Hebrews 1:3

Who being the brightness of his glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;

Hebrews 9:7

But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:

Hebrews 9:22-23

And almost all things are by the law purged with blood; and without shedding of blood is no remission.

Hebrews 9:25

Nor yet that he should offer himself often, as the high priest enters into the holy place every year with blood of others;

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
And you shall offer every day a bullock for a sin offering for atonement: and you shall cleanse the altar, when you have made an atonement for it, and you shall anoint it, to sanctify it.
Leviticus 16:18
And he shall go out unto the altar that is before the LORD, and make an atonement for it; and shall take of the blood of the bullock, and of the blood of the goat, and put it upon the horns of the altar round about.
Leviticus 23:27
Also on the tenth day of this seventh month there shall be a day of atonement: it shall be a holy convocation unto you; and you shall humble yourselves, and offer an offering made by fire unto the LORD.
Hebrews 1:3
Who being the brightness of his glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;
Hebrews 9:7
But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:

Sin offering

Leviticus 16:5
And he shall take for the congregation of the children of Israel two kids of the goats for a sin offering, and one ram for a burnt offering.

General references

Leviticus 16:18
And he shall go out unto the altar that is before the LORD, and make an atonement for it; and shall take of the blood of the bullock, and of the blood of the goat, and put it upon the horns of the altar round about.