When a customer returns items or you agree to refund a sale, you'll need to refund a paid sales invoice. When doing this, you need to:
Follow these steps when you need to refund the full amount of a paid sales invoice.
You've now refunded the payment for your customer.
Select Add credit note to the invoice if you don't want to leave it outstanding.
If you use bank feeds, we recommend you match this transaction to the one that appears in your bank account. Read more on Match bank transactions from bank feeds or an imported file.