Tenn. Code Ann. § 67-1-905: Costs paid by state

(a) In all such cases, if the court shall certify of record in the cause that it appears from the evidence before the court that the officer against whom the suit is brought has acted in good faith and has defended the suit with proper diligence and care, the necessary cost of the cause shall be taxed as provided by law in criminal cases, and be paid by the state.

(b) This section shall not apply after January 1, 1986, to any tax collected or administered by the commissioner of revenue.