Leviticus 25:27-29

²⁷The value of the fruits shall be counted from that time when he sold it: and the overplus he shall restore to the buyer, and so shall receive his possession again.

²⁸But if his hands find not the means to repay the price, the buyer shall have what he bought, until the year of the jubilee. For in that year all that is sold shall return to the owner, and to the ancient possessor.

²⁹He that selleth a house within the walls of a city, shall have the liberty to redeem it, until one year be expired: