288.375. 1. No employer or employing unit shall discharge, discipline or penalize any employee because the employee has testified on behalf of another employee in any proceeding under this chapter.
2. Any employer or employing unit who violates the provisions of this section shall be liable in a civil action for back pay lost by an employee as a result of the violation, and an employee discharged or demoted in violation of this section shall be entitled to be reinstated to his or her former or comparable position. The burden of proof shall be on the party claiming a violation to prove a claim under this section.
3. The statute of limitations for actions under this section shall be six months from the date testimony was provided by the employee on behalf of another employee.