Description of the applicant's historical hedging. Statement on the authenticity of the applicant's materials for membership guarantee. The Exchange shall review the hedging application materials, notify those who meet the hedging conditions in writing to approve the application, determine the hedging quota, and adjust the investor's position limit in the contract according to the quota. The hedging amount shall not exceed the amount declared in the hedging certification materials provided by it. If it does not meet the hedging conditions, it will not be handled in writing, and if the relevant certification materials are insufficient, it will inform the applicant to supplement the certification materials. The hedging amount shall be approved by the contract, valid before the last trading day (inclusive) of the contract, and can be reused within the validity period. The specific implementation of the position limit system shall be subject to the provisions officially announced by CICC. Members and gamblers must control their positions within the position limit, and reduce their positions within the prescribed time limit.