An Act amending the act of June 3, 1937 (P.L.1333, No.320), known as the Pennsylvania Election Code, in party organization, further providing for who shall be declared elected members of national or State committee and party offices; in preparation for and conduct of primaries and elections, further providing for manner of applying to vote, persons entitled to vote, voter's certificates, entries to be made in district register, numbered lists of voters and challenges; and, in returns of primaries and elections, further providing for manner of computing irregular ballots.