Exodus 30:10

and Aaron hath made atonement on its horns, once in a year, by the blood of the sin-offering of atonements; once in a year doth he make atonement for it, to your generations; it is most holy to Jehovah.'

Leviticus 16:18

And he hath gone out unto the altar which is before Jehovah, and hath made atonement for it; and he hath taken of the blood of the bullock, and of the blood of the goat, and hath put on the horns of the altar round about;

Leviticus 23:27

Only -- on the tenth of this seventh month is a day of atonements; ye have a holy convocation, and ye have humbled yourselves, and have brought near a fire-offering to Jehovah;

Exodus 29:36-37

and a bullock, a sin-offering, thou dost prepare daily for the atonements, and thou hast atoned for the altar, in thy making atonement on it, and hast anointed it to sanctify it;

Leviticus 16:5-6

'And from the company of the sons of Israel he taketh two kids of the goats for a sin-offering, and one ram for a burnt-offering;

Leviticus 16:29-30

And it hath been to you for a statute age-during, in the seventh month, in the tenth of the month, ye humble yourselves, and do no work -- the native, and the sojourner who is sojourning in your midst;

Hebrews 1:3

who being the brightness of the glory, and the impress of His subsistence, bearing up also the all things by the saying of his might -- through himself having made a cleansing of our sins, sat down at the right hand of the greatness in the highest,

Hebrews 9:7

and into the second, once in the year, only the chief priest, not apart from blood, which he doth offer for himself and the errors of the people,

Hebrews 9:22-23

and with blood almost all things are purified according to the law, and apart from blood-shedding forgiveness doth not come.

Hebrews 9:25

nor that he may many times offer himself, even as the chief priest doth enter into the holy places 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 a bullock, a sin-offering, thou dost prepare daily for the atonements, and thou hast atoned for the altar, in thy making atonement on it, and hast anointed it to sanctify it;
Leviticus 16:18
And he hath gone out unto the altar which is before Jehovah, and hath made atonement for it; and he hath taken of the blood of the bullock, and of the blood of the goat, and hath put on the horns of the altar round about;
Leviticus 23:27
Only -- on the tenth of this seventh month is a day of atonements; ye have a holy convocation, and ye have humbled yourselves, and have brought near a fire-offering to Jehovah;
Hebrews 1:3
who being the brightness of the glory, and the impress of His subsistence, bearing up also the all things by the saying of his might -- through himself having made a cleansing of our sins, sat down at the right hand of the greatness in the highest,
Hebrews 9:7
and into the second, once in the year, only the chief priest, not apart from blood, which he doth offer for himself and the errors of the people,

Sin offering

Leviticus 16:5
'And from the company of the sons of Israel he taketh two kids of the goats for a sin-offering, and one ram for a burnt-offering;

General references

Leviticus 16:18
And he hath gone out unto the altar which is before Jehovah, and hath made atonement for it; and he hath taken of the blood of the bullock, and of the blood of the goat, and hath put on the horns of the altar round about;