You can refund an amount less than the total of a transaction. The result of your full or partial refund will show up as a new record in the History page.
To refund the remaining balance of a transaction, or to perform another partial refund for an amount less than the remaining balance, return to the original transaction listing.
* It may take up to 7-10 days for refunds to be processed. Please contact your Merchant Service Provider for additional information.