(1) The person entitled to the periodical payments at any time may require that the person liable for the periodical payments, in return for the transfer of ownership of the part of the plot of land built over, reimburse them the value that this part had at the time of the encroachment across the boundary. If they make use of this power, the rights and duties of both parties are governed by the provisions relating to purchase.
(2) For the period until the transfer of ownership, the periodical payments are to continue to be paid.