Leviticus 27:18-20

Revised Standard Version

¹⁸ but if he dedicates his field after the jubilee, then the priest shall compute the money-value for it according to the years that remain until the year of jubilee, and a deduction shall be made from your valuation. ¹⁹ And if he who dedicates the field wishes to redeem it, then he shall add a fifth of the valuation in money to it, and it shall remain his. ²⁰ But if he does not wish to redeem the field, or if he has sold the field to another man, it shall not be redeemed any more;