Leviticus 27:10-12

Evangelical Heritage Version

¹⁰ He may not exchange it or substitute another for it, either good for bad, or bad for good. If he substitutes one animal for another, both the animal and its substitute are set aside as holy. ¹¹ If what has been vowed is any kind of unclean livestock, which may not be presented as an offering to the Lord, he shall present the animal before the priest ¹² so that the priest may assess it. Whatever value is set by the priest, whether high or low, will be binding.