(1) A general election of members of the National Assembly shall be held at such time within ninety days after any dissolution of Parliament as the Governor-General may appoint.

(2) Where the seat of a member of the National Assembly falls vacant otherwise than by reason of a dissolution of Parliament-

a) if the vacant seat is that of a Representative, by-election shall be held; or

b) if the vacant seat is that of a Senator, an appointment shall be made,

to fill the vacancy within ninety days of the occurrence of the vacancy unless Parliament is sooner dissolved.