If the committee, or a majority thereof, shall report that such election or return is invalid, a new election shall take place on the day of the general election ensuing, agreeably to the Constitution, of which the presiding officer of each house shall immediately give notice by their joint writ directed to the Secretary of the Commonwealth and the county boards of the respective counties; and the county boards of the respective counties shall give due notice thereof according to law. If the committee, or a majority thereof, shall report that such nomination is invalid, the vacancy in the party ticket shall be filled in the manner provided by section 979 of this act.
25 P.S. § 3329