²⁷ Also, a person may not know that something is a sin. If he does that thing, he must sacrifice a female goat. The goat must be one year old. It will be a sin offering. ²⁸ The priest will bring the gift to the Lord. That is to make things right. Then the Lord will forgive that person who did the sin. The person did not know that he had done a wrong thing. ²⁹ The same rule is for the Israelites and for all the foreign people who live among them. That is when it was a mistake.