Wis. Stat. § 185.06: Organization meetings.

(1) After articles have been filed, an organization meeting of the temporary board shall be held at the call of a majority of the incorporators or of a majority of the temporary directors for the adoption of bylaws, election of temporary officers, and transaction of other business.

(2) The first meeting of the members shall be called by the temporary president or a majority of the temporary directors. Such meeting shall be held as soon as reasonably possible after the organization meeting of the temporary board, but not later than 6 months after filing the articles. Failure to hold such meeting within the time specified does not affect the validity of organization.