Leviticus 5:11

11“But if he cannot afford two turtledoves or two pigeons, then he shall bring as his offering for the sin that he has committed a a  tenth of an ephah
An  ephah was about 3/5 bushel or 22 liters
of fine flour for a sin offering. He c  shall put no oil on it and shall put no frankincense on it, for it is a sin offering.
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