Tenn. Code Ann. § 67-1-1411

In the event the person against whom the levy and distraint, as provided in this part, has appealed the ruling of the commissioner on the tax sought to be collected or a suit contesting the collection of the subject tax is pending in a court of competent jurisdiction, the person shall have the right to post bond equaling the amount of the tax liability in lieu of payment until the appeal or suit is finalized. Further, if the taxpayer is successful in the taxpayer's appeal, then the state shall pay the taxpayer interest at the rate of six percent (6%) per annum on the amount of tax liability in question.