Leviticus 27:29

27:29 Any human being who is permanently dedicated must not be ransomed; such a person must be put to death.

Leviticus 27:28

Things Permanently Dedicated to the Lord

27:28 “‘Surely anything which a man permanently dedicates to the Lord from all that belongs to him, whether from people, animals, or his landed property, must be neither sold nor redeemed; anything permanently dedicated is most holy to the Lord.