Tennessee Code Title 55. Motor and Other Vehicles § 55-31-205

(a) Notwithstanding this part or title 66, chapter 19, part 1, a garagekeeper shall not store a motor vehicle unless the garagekeeper first obtains the express written authorization for storage of the motor vehicle from a law enforcement officer with appropriate jurisdiction, the owner of the motor vehicle or authorized agent of the owner of the motor vehicle, or the owner or the authorized agent of the owner of the private property from which the motor vehicle was towed.  The authorization must include all of the information required by § 66-19-103(d).

(b) This section and § 66-19-103(b) do not apply to new or used motor vehicle dealers licensed under chapter 17 of this title.

(c) A garagekeeper may store a motor vehicle without express written authorization for storage pursuant to subsection (a) if the garagekeeper makes a good faith attempt to acquire consent to repair in the manner provided in § 66-19-104(a)(2), and the garagekeeper sends notice of the intent to store by using three-day delivery to the last known registered owner of the motor vehicle.