Leviticus 27:18-19 ▼

18 but if he hallow his field after the jubilee, then the priest shall reckon unto him the money according to the years that remain, until the year of the jubilee; and there shall be a reduction from thy valuation.

19 And if he that hallowed the field will in any wise redeem it, he shall add the fifth of the money of thy valuation unto it, and it shall be assured to him;