Wisconsin constitution
Article VII: judiciary
As amended april 1953 and april 1977.

When a vacancy occurs in the office of justice of the supreme court or judge of any court of record, the vacancy shall be filled by appointment by the governor, which shall continue until a successor is elected and qualified. There shall be no election for a justice or judge at the partisan general election for state or county officers, nor within 30 days either before or after such election.