Leviticus 25:27-29

New International Version - UK

²⁷ they are to determine the value for the years since they sold it and refund the balance to the one to whom they sold it; they can then go back to their own property. ²⁸ But if they do not acquire the means to repay, what was sold will remain in the possession of the buyer until the Year of Jubilee. It will be returned in the Jubilee, and they can then go back to their property.

²⁹ ‘“Anyone who sells a house in a walled city retains the right of redemption a full year after its sale. During that time the seller may redeem it.