It is not possible to cancel a refund in progress
Checking on the status of a delayed refund.
Money refund policy for purchases of Call of Duty Points.
Friend or family member used payment information without permission and I would like a refund for the purchase(s) made
What to do if you purchased a gift and you sent it to the wrong friend by mistake
Customer Support may ask you for your PayPal billing agreement ID or your order invoice ID when assisting you with a refund
How to resolve this error when redeeming a Blizzard Balance code
How to resolve the error message "We can’t process this code at this time"
What to do if you can't claim a Blizzard Balance code because the currency of the code doesn't match your currency
What to do if you found a charge on your PayPal account that don't recognize