Wis. Stat. § 563.53: Special bingo games.

In addition to provisions in this chapter relating to regular bingo games, the following provisions shall apply to special bingo games:

(1) All special bingo cards shall be in a form approved by the department.

(2) Each special bingo card shall be used for one game only and shall be indelibly marked by the player while in use so as to render it void and unusable thereafter.

(3) A fee of not more than $1 may be charged for each special bingo card.