Leviticus 6:24-26

The Sin Offering 24The LORD said to Moses, 25“Say to Aaron and his sons: ‘These are the regulations for the sin offering: The sin offering is to be slaughtered before the LORD in the place the burnt offering is slaughtered; it is most holy. 26The priest who offers it shall eat it; it is to be eaten in the sanctuary area, in the courtyard of the tent of meeting.