They must not exchange it or substitute a good one for a bad one, or a bad one for a good one; if they should substitute one animal for another, both it and the substitute become holy.
They must not sell or exchange any of it. This is the best of the land and must not pass into other hands, because it is holy to the Lord.
If what they vowed is a ceremonially unclean animal—one that is not acceptable as an offering to the Lord—the animal must be presented to the priest,
“ ‘If what they vowed is an animal that is acceptable as an offering to the Lord, such an animal given to the Lord becomes holy.
Such a person is double-minded and unstable in all they do.