Wis. Stat. § 213.03: City and village fire company trustees: term; vacancies.

Trustees of a fire company, elected under s. 213.02, shall hold office for one year and until their successors are elected. A trustee may be removed at any time by the company for cause, after the trustee has had an opportunity to be heard in his or her defense. Every vacancy in the office of trustee may be filled for the residue of the term. Any 2 trustees may call a meeting of the trustees and a majority, being convened according to the bylaws of the company, may transact any business authorized to be done by them.