A commercial bank shall pay all checks drawn on it at par and shall make no charge for the payment of such checks; provided, however, it may deduct a reasonable collection charge covering its actual expenses from the remittance for any check forwarded to it for collection and remittance as a special collection item and may impose a service charge as authorized by Code Section 44-12-196, relating to when an instrument on which a banking or financial organization is directly liable is presumed abandoned.