The personal data provided by means of the Online Feedback will be used for the purposes of handling customer feedback only. Incomplete and inaccurate information may prevent the processing of this customer feedback. The personal data collected will not be transferred to any external parties unless such parties are authorised by law to request the information or otherwise relevant to and necessary for the purposes stated above. Your personal data provided will be kept for as long as necessary to handle the customer feedback. Such personal data which is no longer needed will be destroyed. You have the right to request access to and the correction of your personal data. For any enquiries concerning your collected personal data, please contact Personal Data Privacy Officer, Legal-General Department, MTR Corporation Limited, MTR Headquarters Building, Telford Plaza, 33 Wai Yip Street, Kowloon Bay, Kowloon, Hong Kong.