If a payor bank has paid an item over the stop payment order of the drawer or maker, or after an account has been closed, or otherwise under circumstances giving a basis for objection by the drawer or maker, to prevent unjust enrichment and only to the extent necessary to prevent loss to the bank by reason of its payment of the item, the payor bank shall be subrogated to the rights of:
N.D.C.C. § 41-04-38