Investors applying for cancellation of fund accounts must provide relevant information required by the registration center. Individual investors are required to provide the following materials: (1) Fill in a complete business application form with reserved seal; (2) The original and photocopy of my valid ID card; (3) The original and photocopy of the valid identity certificate of the agent and my power of attorney (if not handled by me). (4) Original fund account card or trading account card. Institutional investors are required to provide the following materials: (1) Fill in a complete business application form with reserved seal; (2) The original valid business license (or a copy of the business license stamped with the seal of the issuing authority); (3) Copies of the identity cards of the legal representative and agent; (4) Power of attorney of legal person; (5) Original fund account card or trading account card. Investors can only submit the application for fund account cancellation in the original account opening and sales organization.