Tenn. Code Ann. § 55-3-116: Assignment of new numbers when serial or motor number obliterated or destroyed

(a) The department shall assign a new and distinguishing number to a motor vehicle whenever the serial and/or motor number on the motor vehicle is destroyed or obliterated, which distinguishing number shall be stamped on the vehicle in a position to be determined by the commissioner.

(b) The motor vehicle shall be registered under the distinguishing number in lieu of the former number.