Leviticus 16:34

This shall be a permanent statute for you, so that atonement may be made for the children of Israel for all their sins once a year.” So he did just as the Lord had commanded Moses.

Hebrews 9:7

but into the second [inner tabernacle, the Holy of Holies], only the high priest enters [and then only] once a year, and never without [bringing a sacrifice of] blood, which he offers [as a substitutionary atonement] for himself and for the sins of the people committed in ignorance.

Hebrews 9:25

nor did He [enter into the heavenly sanctuary to] offer Himself again and again, as the high priest enters the Holy Place every year with blood that is not his own.

Exodus 30:10

Once a year Aaron shall make atonement [for sin] on its horns. He shall make atonement on it with the blood of the sin offering of atonement once a year throughout your generations. It is most holy to the Lord.”

Leviticus 23:31

You shall do no work at all [on that day]. It is a permanent statute throughout your generations wherever you may be.

Numbers 29:7

‘Then on the tenth day of this seventh month you shall have a holy [summoned] assembly [for the Day of Atonement]; and you shall humble yourselves; you shall not do any work.

Hebrews 10:3

But [as it is] these [continual] sacrifices bring a fresh reminder of sins [to be atoned for] year after year,

Hebrews 10:14

For by the one offering He has perfected forever and completely cleansed those who are being sanctified [bringing each believer to spiritual completion and maturity].

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
You shall do no work at all [on that day]. It is a permanent statute throughout your generations wherever you may be.
Numbers 29:7
‘Then on the tenth day of this seventh month you shall have a holy [summoned] assembly [for the Day of Atonement]; and you shall humble yourselves; you shall not do any work.

Once a year

Exodus 30:10
Once a year Aaron shall make atonement [for sin] on its horns. He shall make atonement on it with the blood of the sin offering of atonement once a year throughout your generations. It is most holy to the Lord.”
Hebrews 9:7
but into the second [inner tabernacle, the Holy of Holies], only the high priest enters [and then only] once a year, and never without [bringing a sacrifice of] blood, which he offers [as a substitutionary atonement] for himself and for the sins of the people committed in ignorance.
Hebrews 10:3
But [as it is] these [continual] sacrifices bring a fresh reminder of sins [to be atoned for] year after year,

General references

Leviticus 23:28
You shall not do any work on this same day, for it is the Day of Atonement, to make atonement on your behalf before the Lord your God.