Leviticus 22:20-22

New Revised Standard Version Catholic Edition

²⁰ You shall not offer anything that has a blemish, for it will not be acceptable in your behalf.

²¹ When anyone offers a sacrifice of well-being to the Lord, in fulfillment of a vow or as a freewill offering, from the herd or from the flock, to be acceptable it must be perfect; there shall be no blemish in it. ²² Anything blind, or injured, or maimed, or having a discharge or an itch or scabs—these you shall not offer to the Lord or put any of them on the altar as offerings by fire to the Lord.