Leviticus 21:6, 8, 17, 21, 22

They must be holy to their God and must not profane the name of their God. Because they present the food offerings to the LORD, the food of their God, they are to be holy.

Regard them as holy, because they offer up the food of your God. Consider them holy, because I the LORD am holy—I who make you holy.

“Say to Aaron: ‘For the generations to come none of your descendants who has a defect may come near to offer the food of his God.

No descendant of Aaron the priest who has any defect is to come near to present the food offerings to the LORD. He has a defect; he must not come near to offer the food of his God.

He may eat the most holy food of his God, as well as the holy food