Leviticus 2:3

‘And the remainder of the grain offering belongs to Aaron and his sons: a thing most holy of the offerings to Yahweh by fire.

‘So the priest shall make atonement for him concerning his sin which he has committed from one of these, and it will be forgiven him; then the rest shall become the priest’s, like the grain offering.’”

‘What is left of it Aaron and his sons shall eat. It shall be eaten as unleavened cakes in a holy place; they shall eat it in the court of the tent of meeting.

Next he brought near the grain offering and filled his hand with some of it and offered it up in smoke on the altar, besides the burnt offering of the morning.

“This shall be yours from the most holy gifts reserved from the fire; every offering of theirs, even every grain offering and every sin offering and every guilt offering, which they shall render to Me, shall be most holy for you and for your sons.

and their grain offering and their drink offerings for the bulls, for the rams and for the lambs, by their number according to the legal judgment;

The governor said to them that they should not eat from the most holy things until a priest stood with Urim and Thummim.