In addition to the specified requirements set out in rule 17.53, the Exchange has the right to request to review any announcements, circulars or other documents prior to publication in individual cases. In any such case, the Exchange will communicate to the issuer its direction to review the document prior to publication and the reasons for its decision. The issuer shall accordingly submit to the Exchange draft documents for review and shall not issue the document until the Exchange has confirmed that it has no further comments thereon.