Wis. Stat. § 19.88: Ballots, votes and records.

(1) Unless otherwise specifically provided by statute, no secret ballot may be utilized to determine any election or other decision of a governmental body except the election of the officers of such body in any meeting.

(2) Except as provided in sub. (1) in the case of officers, any member of a governmental body may require that a vote be taken at any meeting in such manner that the vote of each member is ascertained and recorded.

(3) The motions and roll call votes of each meeting of a governmental body shall be recorded, preserved and open to public inspection to the extent prescribed in subch. II of ch. 19.