Numbers 15:25-27

²⁵And the priest shall pray for all the multitude of the children of Israel: and it shall be forgiven them, because they sinned ignorantly, offering notwithstanding a burnt offering to the Lord for themselves and for their sin and their ignorance:

²⁶And it shall be forgiven all the people of the children of Israel: and the strangers that sojourn among them: because it is the fault of all the people through ignorance.

²⁷But if one soul shall sin ignorantly, he shall offer a she goat of a year old for his sin.