Leviticus 27:9-11

International Standard Version

⁹ “If it’s an animal from which they make an offering to the Lord, everything that he gives to the Lord from it will be holy. ¹⁰ He is not to substitute it or exchange it—the good with the bad or the bad with the good. If he ever makes an exchange of an animal for an animal, then it and what’s being exchanged is holy. ¹¹ If any animal is unclean, which cannot be brought to the Lord as an offering, make the animal stand in the presence of the priest,