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Notes:
If it is the same PO number, same PO date, same ship date and same quantity, it will update the incoming status to "Imported, not priced". If it is the the system find an order with the same PO number, same PO date same ship date and different quantity, it will update the customer order without reprice. The order needs to be repriced.
If it the system doesn't find any order, or if any of the an order with the same exact 3 fields are different (PO number, PO date, ship date), it will create a new order.
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