Each of the SFC (HKEC Listing) Committee and the SFC (HKEC Listing) Appeals Committee may elect any of its members to be chairman and may regulate its own procedures and business subject to any directions given to it by the Commission for this purpose. In so doing, each such committee may have regard to (but shall not be bound by) the practices and procedures of the Listing Committee or Listing Review Committee as set out in Chapters 2A and 2B, as the case may be. The Chief Executive Officer of the Commission shall from time to time appoint a person or persons, who may be an employee or employees of the Commission, to act as Secretary of the SFC (HKEC Listing) Committee and/or SFC (HKEC Listing) Appeals Committee.