Leviticus 27:20

But if he sanctify his field after the jubile, then the priest shall reckon unto him the money according to the years that remain, even unto the year of the jubile, and it shall be abated from thy estimation.

And 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.

But 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.

And if [a man] sanctify unto the LORD a field which he hath bought, which [is] not of the fields of his possession;