To refund an item and not make a change to your inventory, add a credit note product to an invoice.

1. Open the applicable invoice.
2. Adjacent to Add new invoice line, select the plus button.
   
3. In the Product column of the new line item, select the credit note product.
   
4. Set the Quantity value of the new line item to -1.
   
5. Set the Price($) value of the new line item to the value of the refund.
   
6. If necessary, set Tax Rate to the applicable tax rate for the item that the client wants to refund.
7. In the Comments box, enter information about why the refund is necessary.
   
   
   
8. Select Save.
   
   ezyVet shows a confirmation message: