Leviticus 25:16

25:16 The more years there are, the more you may make its purchase price, and the fewer years there are, the less you must make its purchase price, because he is only selling to you a number of years of produce.

Leviticus 25:27

25:27 he is to calculate the value of the years it was sold, refund the balance to the man to whom he had sold it, and return to his property.

Leviticus 27:20

27:20 If he does not redeem the field, but sells the field to someone else, he may never redeem it.