Leviticus 21:21-23

Thomson(i) 21 No person of the seed of Aaron the priest, who hath any blemish about him, shall come near to offer the sacrifices of thy God. Because he hath a blemish he shall not come near to offer the gifts of God. 22 With regard to the gifts of God, even the most holy, of these he may eat; 23 but he shall not approach to the veil, nor come near to the altar, because he hath a blemish. And he shall not profane the sanctuary of his God, because I am the Lord who halloweth them.