Leviticus 21:21
No man of the seed of Aaron, the priest, in whom there is a blemish shall come near to offer the fire offerings of Jehovah. He has a blemish; he shall not come near to offer the bread of his God.
Leviticus 21:6
They shall be holy to their God and not profane the name of their God. For they offer the fire offerings of Jehovah, the bread of their God. Therefore they shall be holy.
Leviticus 21:8
And you shall sanctify him, for he offers the bread of your God. He shall be holy to you. For I am holy, Jehovah who sanctifies you.
Leviticus 21:17
Speak to Aaron, saying, No man of your seed in their generations shall draw near to offer the bread of his God if there is a blemish in him.