Numbers 15:24 in the World English Bible
then it shall be, if it was done unwittingly, without the knowledge of the congregation, that all the congregation shall offer one young bull for a burnt offering, for a pleasant aroma to the LORD, with its meal offering and its drink offering, according to the ordinance, and one male goat for a sin offering.
Context
23 Even all that the LORD hath commanded you by the hand of Moses, from the day that the LORD commanded Moses, and henceforward among your generations;
24 Then it shall be, if ought be committed by ignorance without the knowledge of the congregation, that all the congregation shall offer one young bullock for a burnt offering, for a sweet savour unto the LORD, with his meat offering, and his drink offering, according to the manner, and one kid of the goats for a sin offering.
25 And the priest shall make an atonement for all the congregation of the children of Israel, and it shall be forgiven them; for it is ignorance: and they shall bring their offering, a sacrifice made by fire unto the LORD, and their sin offering before the LORD, for their ignorance: