(a) Any vacancy happening or existing in any party nomination for a special election by reason of the death or withdrawal of any candidate, may be filled by a substituted nomination made by such committee as is authorized by the rules of the party to make nominations in the event of vacancies on the party ticket in the form prescribed by section 630 of this act.¹

(b) In case of the death or withdrawal of any candidate nominated by a political body for a special election, the committee named in the original nomination papers may nominate a substitute in his place by filing a substituted nomination certificate in the form and manner prescribed by section 980 of this act.² In the case of a vacancy caused by the death of any candidate, said nomination certificate shall be accompanied by a death certificate properly certified: Provided, however, That no substitute nomination certificate shall nominate any person who has already been nominated by any political party or by any other political body for any office to be filled at the same special election.

(c) Substituted nomination certificates to fill vacancies caused by the withdrawal of candidates nominated for a special election shall be filed with the officer or board with whom the original nomination certificates or papers were filed not later than seven (7) days after the last day for filing the original nomination certificates or papers.

(d) Substituted nomination certificates to fill vacancies caused by the death of candidates nominated for a special election shall be filed in the office of the officer or board with whom the original nomination certificates or papers were filed at any time prior to the day in which the printing of ballots is started.