(1) Whenever an election wholly or partially fails a new writ shall forthwith be issued for a supplementary election:
Provided that where the election has failed in consequence of the death of a candidate after the declaration of the nominations and before polling day, the supplementary election shall be held upon the roll which was prepared for the purpose of the election which failed.
(2) An election shall be deemed to have wholly failed if no candidate is nominated or returned as elected.
(3) An election shall be deemed to have partially failed whenever one or more candidates is returned as elected, but not the full number required to be elected.