Numbers 15:27

And if one person sin unwittingly, then he shall offer a she-goat a year old for a sin-offering.

Leviticus 4:27-28

And if any one of the common people sin unwittingly, in doing any of the things which Jehovah hath commanded not to be done, and be guilty;

Acts 3:17

And now, brethren, I know that in ignorance ye did it, as did also your rulers.

Acts 17:30

The times of ignorance therefore God overlooked; but now he commandeth men that they should all everywhere repent:

1 Timothy 1:13

though I was before a blasphemer, and a persecutor, and injurious: howbeit I obtained mercy, because I did it ignorantly in unbelief;

Treasury of Scripture Knowledge

Summary

And if any soul sin through ignorance, then he shall bring a she goat of the first year for a sin offering.

Bible References

General references

Leviticus 4:27
And if any one of the common people sin unwittingly, in doing any of the things which Jehovah hath commanded not to be done, and be guilty;
Acts 3:17
And now, brethren, I know that in ignorance ye did it, as did also your rulers.
Acts 17:30
The times of ignorance therefore God overlooked; but now he commandeth men that they should all everywhere repent:
1 Timothy 1:13
though I was before a blasphemer, and a persecutor, and injurious: howbeit I obtained mercy, because I did it ignorantly in unbelief;

American Standard Version Public Domain