Leviticus 22
19 Ref that you may be accepted, you shall offer a male without blemish, of the bulls, of the sheep, or of the goats.
20 Ref But whatever has a blemish, that you shall not offer: for it shall not be acceptable for you.
21 Ref Whoever offers a sacrifice of peace offerings to Yahweh to accomplish a vow, or for a freewill offering, of the herd or of the flock, it shall be perfect to be accepted; there shall be no blemish therein.