Wis. Stat. § 5.53: Voting machine ballots.

(1) Voting machine ballots shall be placed, projected or composed on a board or screen inside the machine, under s. 5.64 and may be arranged in either columns or rows. The type face shall be easy to read, and the type size may be no smaller than 8 point.

(2) Where separate ballots are provided for, the names or questions shall be placed in separate columns or rows upon the machines so they are voted on separately, except as otherwise provided for referenda under s. 5.64 (2) (c).