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 Why can't I cancel my withdrawal? Withdrawing My Balance Will I be emailed about my withdrawal? How do I access My Details? Why has a withdrawal to a Bank Account Number and Sort Code failed?