It is used to undo the "Complete Shipment" transaction. This option is available in F9-right click menu of shipment slips in Completed status. It will undo all transactions performed using the Complete Shipment option, and the status of shipment slip will change into Under Way. Quantities which are not dispatched in shipment slip are re-included in distribution inventory. Resource usage records, which are generated for the transport vehicle and warehouse totals are also updated according to the Under Way status.