Using Lie Detector Tests in Wisconsin

The use of lie detector tests by employers in Wisconsin is subject to these state rules.

A Wisconsin employer may not:

• directly or indirectly require, request, suggest or cause an employee or prospective employee to take or submit to a lie detector test
• use, accept, refer to or inquire about the results of a lie detector test of an employee or prospective employee
• discharge, discipline, discriminate against or deny employment or promotion to, or threaten to take such action against, any of the following:
  • an employee or prospective employee who refuses, declines or fails to take or submit to a lie detector test
  • an employee or prospective employee on the basis of the results of a lie detector test
• discharge, discipline, discriminate against or deny employment or promotion to, or threaten to take action against an employee or prospective employee for any of the following reasons:
  • the employee or prospective employee has filed a complaint or instituted or caused to be instituted a proceeding under this law
  • the employee or prospective employee has testified or is about to testify in a proceeding under this law
  • the employee or prospective employee has exercised any right under this law

  For purposes of this law, employer means a person acting directly or indirectly in the interest of an employer in relation to an employee or prospective employee. Employer does not include the federal government.

Exceptions may exist.