Leviticus 21:19

The LORD spoke to Moses, saying,

“Say to Aaron, ‘None of your offspring throughout their generations who has a defect may approach to offer the bread of his God.

For whatever man he is that has a defect, he shall not draw near: a blind man, or a lame, or he who has a flat nose, or any deformity,

or hunchbacked, or a dwarf, or one who has a defect in his eye, or an itching disease, or scabs, or who has damaged testicles.

No man of the offspring of Aaron the priest who has a defect shall come near to offer the offerings of the LORD made by fire. Since he has a defect, he shall not come near to offer the bread of his God.

He shall eat the bread of his God, both of the most holy, and of the holy.