Tennessee Code Title 29. Remedies and Special Proceedings § 29-17-801

(a) When a governmental entity or other person or entity with the power of eminent domain deems it necessary to condemn any property or property rights pursuant to this chapter or chapter 16 of this title, it shall deposit the amount determined by the required appraisal with the clerk of the circuit court having jurisdiction in the county in which the property or property rights, or a portion of the property or property rights, is located, and shall file a petition in the court asking that the property or property rights be condemned and decreed to the condemner.

(b) The payment into court shall in no way limit or fix the amount to be allowed under subsequent proceedings in such case, and any further or additional sum that may be finally awarded in any subsequent proceedings shall bear interest from the date of the taking of possession of the property or property rights condemned by the condemner.