If you haven’t already read the Sales Overview, see Changing, removing and reversing sales for more information.
Use this procedure only if your transactions are unchangeable. See What are changeable and unchangeable transactions? for more information.
The invoice you want to reverse should be displayed. If you need help doing this, see To find a sale.
If you want, you can make a few changes to the customer credit (such as the date and the memo), but you can’t change the accounts, amounts and quantities that are associated with the customer credit.
If you’re reversing a sale from a previous accounting period, consider assigning a date from that period to the customer credit. This will allow your reports for that accounting period to reflect the proper amounts.
To reverse an invoice