(1) If a person having a right of retention has defrayed necessary expenses in respect of the retained article, he may request reimbursement from the owner.
(2) If a person having a right of retention has defrayed useful expenses in respect of the retained article, he or she may, as long as an increase in value remains, request reimbursement either of the amount defrayed or the amount by which its value has been increased at the option of the owner; provided, the court may, upon the application by the owner, allow him or her reasonable time to make reimbursement.