If the refund has the status Waiting for capture, you can:

• Cancel the payment and issue a new refund.
• Change the amount (lower only).

Cancel the payment:

1. Sign in to the Merchant Back Office.
2. Go to the Management > Transactions menu.
3. Search for and double-click the concerned transaction.
4. Click Cancel button.
5. Click Yes to confirm.
6. Search for the original transaction, then go to Captured transactions and issue a new refund.

Change the amount:

1. Sign in to the Merchant Back Office.
2. Go to the Management > Transactions menu.
3. Search for and double-click the concerned transaction.
4. Click on Edit.
5. Change the amount downward.
6. Click on Edit.