Leviticus 27:18-20

Young's Literal Translation

¹⁸ and if after the jubilee he sanctify his field, then hath the priest reckoned to him the money according to the years which are left, unto the year of the jubilee, and it hath been abated from thy valuation.

¹⁹ `And if he really redeem the field -- he who is sanctifying it -- then he hath added a fifth of the money of thy valuation to it, and it hath been established to him;

²⁰ and if he do not redeem the field, or if he hath sold the field to another man, it is not redeemed any more;