(1) When the House first meets after any general election of members and before it proceeds to the despatch of any other business except the election of the Speaker, the House shall elect a member of the House, who is not a member of the Cabinet or a Parliamentary Secretary, to be Deputy Speaker of the House and if the office of Deputy Speaker falls vacant at any time before the next dissolution of Parliament, the House shall, as soon as convenient, elect another member of the House to that office.