Leviticus 22:19-21

MSTC(i) 19 it must be a male without blemish of the oxen, sheep or goats. 20 Let them offer nothing that is deformed for they shall get no favour therewith. 21 If a man will offer a peace offering unto the LORD and separate a vow or a freewill offering of the oxen or the flock, it must be without deformity, that it may be accepted. There may be no blemish therein: