Leviticus 16:34

And this shall be an everlasting statute unto you, to make atonement for the children of Israel because of all their sins once in the year. And he did as Jehovah commanded Moses.

Hebrews 9:7

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

Hebrews 9:25

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

Exodus 30:10

And Aaron shall make atonement upon the horns of it once in the year; with the blood of the sin-offering of atonement once in the year shall he make atonement for it throughout your generations: it is most holy unto Jehovah.

Leviticus 23:31

Ye shall do no manner of work: it is a statute for ever throughout your generations in all your dwellings.

Numbers 29:7

And on the tenth day of this seventh month ye shall have a holy convocation; and ye shall afflict your souls: ye shall do no manner of work;

Hebrews 10:3

But in those'sacrifices there is a remembrance made of sins year by year.

Hebrews 10:14

For by one offering he hath perfected for ever them that are sanctified.

Treasury of Scripture Knowledge

Summary

And this shall be an everlasting statute unto you, to make an atonement for the children of Israel for all their sins once a year. And he did as the LORD commanded Moses.

An everlasting

General references

Bible References

An everlasting

Leviticus 23:31
Ye shall do no manner of work: it is a statute for ever throughout your generations in all your dwellings.
Numbers 29:7
And on the tenth day of this seventh month ye shall have a holy convocation; and ye shall afflict your souls: ye shall do no manner of work;

Once a year

Exodus 30:10
And Aaron shall make atonement upon the horns of it once in the year; with the blood of the sin-offering of atonement once in the year shall he make atonement for it throughout your generations: it is most holy unto Jehovah.
Hebrews 9:7
but into the second the high priest alone, once in the year, not without blood, which he offereth for himself, and for the errors of the people:
Hebrews 10:3
But in those'sacrifices there is a remembrance made of sins year by year.

General references

Leviticus 23:28
And ye shall do no manner of work in that same day; for it is a day of atonement, to make atonement for you before Jehovah your God.

American Standard Version Public Domain