I think my Bank Account is registered on another account; will this be a problem? If you enter Bank details that are already on our system you will get a message letting you know.For security it is not possible to register a bank account on more than one account. You will need to use an alternative withdrawal method instead. Related articles Withdrawing My Balance Why can't I cancel my withdrawal? What do I do if I enter the wrong bank details? How do I withdraw when my card details have changed? What is your Internal Complaint Procedure?