Wis. Stat. § 50.535: Reporting.

Every 24 months, on a schedule determined by the department, a licensed rural medical center shall submit a biennial report in the form and containing the information that the department requires, including payment of the fee required under s. 50.51 (2) (c). If a complete annual report is not timely filed, the department shall issue a warning to the licensee. The department may revoke the license for failure to timely and completely report within 60 days after the report date established under the schedule determined by the department.