Notwithstanding s. 49.197 (1m) and (3), the department of children and families may contract with the department of health services to investigate suspected fraudulent activity on the part of recipients of aid to families with dependent children under s. 49.19 and participants in Wisconsin Works under ss. 49.141 to 49.161 and to conduct activities to reduce payment errors in Wisconsin Works under ss. 49.141 to 49.161, as provided in this section. If any employee of the department of health services reasonably suspects that fraudulent activity as described in this subdivision has occurred or is occurring, the employee shall immediately report the facts and circumstances contributing to that suspicion to the employee’s immediate supervisor.

An immediate supervisor who receives a report under subd. 1. shall immediately evaluate the report to determine whether there is reason to suspect that the fraudulent activity has occurred or is occurring. If the immediate supervisor determines that there is reason to suspect that the fraudulent activity has occurred or is occurring, the immediate supervisor shall immediately report the facts and circumstances contributing to that suspicion to the sheriff and to the unit of the department of health services that is responsible for investigating suspected fraudulent activity as described in subd. 1.

Except as provided in subd. 2., an immediate supervisor who receives a report under subd. 1. shall keep the identity of the reporter confidential. A sheriff or unit of the department of health services that receives a report under subd. 2. shall keep the identity of the employee reporting under subd. 1. and the immediate supervisor reporting under subd. 2. confidential until the sheriff or unit determines that the report merits further investigation. If the sheriff or unit conducts a full investigation, the sheriff or unit shall keep the identity of that employee and immediate supervisor confidential if it is reasonably possible to do so. Any person who fails to report as required in subd. 1. or 2. may be required to forfeit not more than $1,000.