(2) A preelection challenge to the procedure by which an initiative or referendum qualified for the ballot or a postelection challenge to the manner in which the election was conducted shall be given priority by the courts.
(3) If the election on an initiative or referendum properly qualifying for the ballot is declared invalid because the election was improperly conducted, the secretary of state shall submit the issue to the qualified electors at the next regularly scheduled statewide election unless the legislature orders a special election.
