Points to note

From this interface, you can cancel a sales order using the sales order number and/or dispatch number.
Once a Sales Order has a status of "To Dispatch" it cannot be cancelled.
If stock has already been picked by the DC, an ASN is created: 'SS Cancellation - Dispatch {dispatch number}'. This will appear on the "Delivery List" Report.
Cancellation of orders created by the clients system or uploaded manually by a user.

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Interface

The highlighted field is the sales order number that had had a cancellation request created for it.