It is illegal to discharge or discipline employees for exercising certain rights, or for doing or refusing to do certain things. These include:
Communications with public officials. It is unlawful for public employers to discriminate against employees because they exercised their right to communicate with an elected public official (TN Code Sec. 8-50-603).
Crime victims. No state employee who has been the victim of a crime can be disciplined or discharged because the person takes any lawful action to cause the arrest, prosecution, and conviction of the perpetrator (TN Code Sec. 4-4-122).
Equal pay complaints. Employers are prohibited from discharging or disciplining an employee for enforcing or helping to enforce the equal pay laws (TN Code Sec. 50-2-202).
Jury duty. Employers may not discipline or discharge employees for absences resulting from service on a jury. The employer is, however, entitled to have prompt notice of an employee's summons to jury duty. (TN Code Sec. 22-4-106).
Lie detector tests. Employers may not take any personnel action, such as hiring, discipline, or termination, based solely upon the results of a polygraph examination (TN Code Sec. 62-27-128).
Military membership. It is a crime for an employer to deny employment to an applicant ...