Wisconsin Statutes Organization of State Government (Ch. 13 to 22) § 17.22. Vacancies in appointive county offices; how filled

(b) In the office of the county highway commissioner, by appointment by the county highway committee. A person so appointed shall hold office until his or her successor is elected or appointed and qualified. The person's successor, if the office is regularly filled by election, shall be elected by the county board at a meeting held no later than 120 days after the date on which the vacancy occurs. The person's successor, if the office is regularly filled by appointment, shall be appointed as provided in s. 83.01(1). The person's successor shall take office upon his or her election or appointment and qualification and shall hold office for the term prescribed under s. 83.01(2).

(d) In the office of any other officer appointed by the county board, by temporary appointment by the chairperson of the county board. A person so appointed shall hold office until a successor is appointed and qualifies, and the successor shall be appointed by the county board for the residue of the unexpired term at its meeting next after such vacancy occurred.