(1) There shall be:
(a) a President and a Deputy President of the Senate, who shall be elected by the members of that House from among themselves; and
(b) a Speaker and a Deputy Speaker of the House of Representatives, who shall be elected by the members of that House from among themselves.
(2) The President or Deputy President of the Senate or the Speaker or Deputy Speaker of the House of Representatives shall vacate his office –
(a) if he ceases to be a member of the Senate or of the House of Representatives, as the case may be, otherwise than by reason of a dissolution of the Senate or the House of Representatives; or
(b) when the House of which he was a member first sits after any dissolution of that House; or
(c) if he is removed from office by a resolution of the Senate or of the House of Representatives, as the case may be, by the votes of not less than two-thirds majority of the members of that House.
