a special election held to fill a political office that has become vacant between general elections
a vote held to fill a legislative seat that has become vacant since the last general election
if an elected representative (MP / Councillor / MEP) resigns or dies while in office an election (by-election) is held as soon as possible to choose a successor
A by-election is an election that is held to choose a new member of parliament when a member has resigned or died. a special election to replace a politician who has left parliament or died general election
a special election held to fill the seat of a Member of the House of Assembly who has died or retired during a life of the Parliament
The process used generally in single member electorates to fill a casual vacancy This is not used in the ACT (see casual vacancy)
a special election held to fill the seat of a Member of the House of Representatives who has died or resigned