Wis. Stat. § 193.553: Voting rights limited to members as of date certain.

The board may establish a date for the determination of membership interests entitled to notice of and entitled to vote at a members’ meeting. The date established by the board may not be more than 60 days before the date of the meeting. If a date is established under this subsection, only members as of that date are entitled to notice of and may vote at that meeting.