To create a supplier debit for no specific reason
To remove an order with a payment applied to it
Note: If you overpaid a supplier
To apply a supplier debit (from the Supplier Payments window)
To receive a refund (from the Pay Bills window)
To find a supplier debit before it's settled
To find a supplier debit after it's applied
To find a supplier debit after you've received a refund for it
To remove an applied supplier debit or a supplier's refund
To reverse an applied supplier debit