Tennessee Code Title 50. Employer and Employee § 50-6-921

The construction services provider workers' compensation exemption for any provider not exempt prior to March 1, 2011, who has been placed on the workers' compensation exemption registry by the secretary of state or the bureau of workers' compensation shall be in effect beginning at 12:00 a.m. on March 1, 2011, regardless of such provider's date of application; provided, that any person exempt under provisions of law in effect prior to March 1, 2011, shall maintain such exemption until March 1, 2011.