An issuer shall, pursuant rule 17.51(2), immediately inform the Exchange and publish an announcement containing the relevant details and reasons if the issuer fails to set up an audit committee or at any time has failed to meet any of the other requirements set out in rule 5.28 regarding the audit committee. Issuers shall set up an audit committee and/or appoint appropriate members to the audit committee to meet the requirement(s) within 3 months after failing to meet such requirement(s).