As a one-time inconvenience, the requirement that withdrawal requests be supported by documentation is customary in the sector. Documentation is needed to verify that money is being sent to the correct recipient. Identification is also needed in order to verify age. Certain credit cards may occasionally be required due to credit card company rules and to protect the security of your account.
Your documents are accepted and stored in a way that restricts access in accordance with the Data Protection Act. Once the required documentation has been deposited into your account, subsequent cash out requests should be approved without any unanticipated delays.