Leviticus 27:10-11

Christian Standard Bible

¹⁰ He may not replace it or make a substitution for it, either good for bad, or bad for good.^(A) But if he does substitute one animal for another, both that animal and its substitute will be holy.

¹¹ “If the vow involves any of the unclean animals that may not be brought as an offering to the Lord, the animal must be presented before the priest.