Leviticus 2:10

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

“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.