An Act amending the act of June 3, 1937 (P.L.1333, No.320), known as the Pennsylvania Election Code, further providing for affidavits of candidates, for examination of nomination petitions, certificates and papers; return of rejected nomination petitions, certificates and papers, for affidavits of candidates, for filling of certain vacancies in public office by means of nomination certificates and nomination papers and for substituted nominations to fill certain vacancies for a November election.