If customer has any change of information (including but not limited to change in nationality, tax residence status, residence status, residential address or correspondence address, home phone or mobile phone number, facsimile number and/or email address, Unique Business Identifier (UBI),etc.), please promptly provide BOCI with your relevant updated information. Should you have any questions, please feel free to contact your Relationship Manager or call our customer service hotline at (852) 2718 9666.