Wis. Stat. § 100.057

The department shall design an official logotype appropriate for affixation to and display in connection with natural cheese meeting quality standards established by the department and manufactured in this state entirely from milk which is produced under standards which are equal to or greater than standards established under s. 97.24 and rules adopted under s. 97.24 or under minimum sanitary and quality standards prescribed under s. 97.52 and rules adopted under s. 97.52 . The design shall consist of an outline of the boundaries of the state and the words "100% Wisconsin Cheese" and such other specifications as the department deems appropriate. Nothing in this section shall prohibit the use of other appropriate labels or logotypes.