Nomination papers, may be circulated as soon as the Special Election is ordered, and must be submitted no later than 5 pm on the 28th day before the Special Primary will or would be held or the candidate’s name will not appear on the ballot. A Declaration of Candidacy must be filed no later than 5 pm on the 28th day before the Special Primary will or would be held, or the candidate’s name will not appear on the ballot.
Wis. Stats. §§8.15(4)(b), 8.30(2), 8.50(3)(a)