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

They shall be holy to their God and not profane the name of their God, for they offer the offerings of the LORD made by fire, and the bread of their God; therefore they shall be holy.

Therefore you shall consecrate him, for he offers the bread of your God. He shall be holy to you, for I the LORD, who sanctify you, am holy.

“Speak to Aaron, saying: ‘No man of your descendants in succeeding generations, who has any defect, may approach to offer the bread of his God.

No man of the descendants of Aaron the priest, who has a defect, shall come near to offer the offerings made by fire to the LORD. He has a defect; he shall not come near to offer the bread of his God. He may eat the bread of his God, both the most holy and the holy