Charities. It is illegal for employers to engage in any reprisal against an employee for declining to donate to a charitable organization, including the employer itself (MN Stat. Sec. 181.937).
Court attendance. Employers may not discipline or discharge employees for absences resulting from serving on a jury or a summons for or appearance as a witness in court (MN Stat. Sec. 611A.036 and Sec. 593.50).
Equal pay law. It is illegal to discipline or discharge an employee for filing a complaint under Minnesota's equal pay law (MN Stat. Sec. 181.67).
Garnishment/family support withholding. An employer may not discharge an employee as the result of an earnings garnishment (MN Stat. Sec. 571.927) or because of wage withholding for family or child support (MN Stat. Sec. 518A.53).
Lawful products. It is illegal to discipline or discharge an employee for using lawful consumable products such as alcohol, food, or tobacco outside the workplace during nonworking hours (MN Stat. Sec. 181.938).
Occupational safety and health violations. It is illegal in Minnesota to fire an employee in retaliation for filing a complaint or instituting or causing to be instituted any proceeding or inspection or for testifying or planning to testify in any such proceeding or because the employee is acting on behalf of himself or herself or others regarding any health and safety act right (MN Stat. Sec. 182.654).
Political activities. It is illegal ...