Reversing a charge in Stax Bill creates a credit note in NetSuite.
The credit note in NetSuite will have specific line items related to the individual charges reversed.
Reverse Charge Credit Note
In the Stax Bill settings, you can set the Send Quantity with Credit Notes to Yes. This will send the quantity value with the credit note. The quantity will display if the credit note value is a multiple of the original charge unit price. However, if the credit value is not divisible by the original charge unit price of the line item, then quantity one (1) is used.
If the Stax Bill Send Quantity with Credit Notes setting is set to Off, all reverse charge credit notes will have the quantity set to zero (0).