Tenn. Code Ann. § 2-19-135

It is a Class C misdemeanor for any employer, within ninety (90) days of any election or primary provided for by law, to put up or otherwise exhibit in such employer's factory, workshop, mine, mill, boardinghouse, office, or other establishment or place where employees may be working or may be present in the course of their employment, any handbill, notice, or placard containing any threat, notice or information that in case any particular ticket or candidate shall or shall not be elected, work in that establishment shall cease in whole or in part, or the wages or number of workers be reduced, or other threats, express or implied, intended or calculated to influence the political opinions or actions of the employees.