Leviticus 21:21
No man of the seed of Aaron the priest, that hath a blemish, shall come nigh to offer the offerings of the LORD made by fire; he hath a blemish, he shall not come nigh to offer the bread of his God.No man of the seed of Aaron the priest, that hath a blemish, shall come nigh to offer the offerings of the LORD made by fire; he hath a blemish, he shall not come nigh to offer the bread of his God.