Wisconsin Statutes Organization of State Government (Ch. 13 to 22) § 17.17. Notice of vacancies

(1) Senators and members of congress. In the office of United States senator or member of congress from this state, by the county clerk of the county wherein such officer resided at the time of election, to the elections commission.

(3) Vacancies by judgments. In any office occurring by virtue of a judgment of a court of this state convicting the incumbent of and sentencing the incumbent for treason, felony or other crime of whatsoever nature punishable by imprisonment in any jail or prison for one year or more, or convicting the incumbent of and sentencing the incumbent for any offense involving a violation of the incumbent's official oath; or declaring the election or appointment of any officer to be void or that the office of any officer has been forfeited, or become vacant; or adjudging any officer to be insane, by the clerk of such court to the officer or body authorized to fill such vacancies, or if such vacancies are required to be filled only by election, then to the officer authorized to give notice thereof.

(4) Justices and judges. In the office of justice of the supreme court, court of appeals judge, or judge of a circuit court, by the director of state courts to the governor and the elections commission.

(5) Other vacancies. In city, village, town or school district offices, other than those of which notice is required by sub. (3), by the clerk or in the clerk's absence by the treasurer thereof, and in state, county and other offices other than those of which notice is required by sub. (3), by the county clerk of the county wherein the officer resided at the time of election or appointment, or in the clerk's absence by the sheriff, to the officer or body authorized to fill such vacancies, or if such vacancies are required to be filled only by election, then to the officer authorized to give notice thereof.