This is designed to be used in conjunction with a shipment that has been made and should only be used as requested by the Warehouse Manager.
The purpose is to allow for additional payments to adjust an order for various reasons (i.e. special handling, additional products added, etc)
The quantity is used to adjust the amount in $1.00 increments. For example, if you need to pay $8.00  , you qty is  8  and  your credit card will be charged $8.00