Leviticus 27:9-11

BRG Bible

⁹ And if it be a beast, whereof men bring an offering unto the Lord, all that any man giveth of such unto the Lord shall be holy.

¹⁰ He shall not alter it, nor change it, a good for a bad, or a bad for a good: and if he shall at all change beast for beast, then it and the exchange thereof shall be holy.

¹¹ And if it be any unclean beast, of which they do not offer a sacrifice unto the Lord, then he shall present the beast before the priest: