Leviticus 5:15-19

15 a“If anyone commits a breach of faith and sins unintentionally in any of the holy things of the Lord, bhe shall bring to the Lord as his compensation, a ram without blemish out of the flock, valued
Or  flock, or its equivalent
in silver shekels,
A  shekel was about 2/5 ounce or 11 grams
according to the eshekel of the sanctuary, for a guilt offering.
16He shall also make restitution for what he has done amiss in the holy thing and fshall add a fifth to it and give it to the priest. gAnd the priest shall make atonement for him with the ram of the guilt offering, and he shall be forgiven.

17 hIf anyone sins, doing any of the things that by the Lord’s commandments ought not to be done, ithough he did not know it, then realizes his guilt, he shall bear his iniquity. 18 jHe shall bring to the priest a ram without blemish out of the flock, or its equivalent, for a guilt offering, and kthe priest shall make atonement for him for the mistake that he made unintentionally, and he shall be forgiven. 19It is a guilt offering; he has indeed incurred guilt before
Or  he has paid full compensation to
the Lord.”

Leviticus 27:13

13 mBut if he wishes to redeem it, he shall add a nfifth to the valuation.

Leviticus 27:15

15 oAnd if the donor wishes to redeem his house, he shall add a pfifth to the valuation price, and it shall be his.

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