When a man presents a peace offering to the LORD from the herd or flock to fulfill a vow or as a freewill offering, it must be without blemish or defect to be acceptable.
KJV
And whosoever offereth a sacrifice of peace offerings unto the LORD to accomplish [his] vow, or a freewill offering in beeves or sheep, it shall be perfect to be accepted; there shall be no blemish therein.
ASV
And whosoever offereth a sacrifice of peace-offerings unto Jehovah 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.