Leviticus 27:19-21

19And if he that sanctified the field will in any wise redeem it, then he shall add the fifth part of the money of thy estimation unto it, and it shall be assured to him.

20And if he will not redeem the field, or if he have sold the field to another man, it shall not be redeemed any more.

21But the field, when it goeth out in the jubile, shall be holy unto the Lord, as a field devoted; the possession thereof shall be the priest’s.