In the event of a substantial change or mistake or difference of information or data of the Prospectus approved by the Authority, the Issuer or Subscription Agent shall provide the Authority with a supplementary prospectus including the necessary amendments, prior to the end of the subscription period. Each Subscriber shall be given a supplementary Prospectus after being approved by Authority and before the end of the subscription period. The provisions of Article (5-25) of this Module shall apply to the supplementary prospectus. Any subscriber who subscribed before being provided with the supplementary prospectus shall be entitled to withdraw from subscription. In such case, the Issuer shall return the subscription payments to the withdrawing subscriber immediately when he decides to withdraw his subscription.