Tennessee Code Title 55. Motor and Other Vehicles § 55-50-803

The clerk or judge of a court accepting the license shall thereafter forward to the department the license of a driver deposited in lieu of bail if the driver fails to appear in answer to the charge filed. This license shall not be released by the department until the charge for which the license was so deposited has been disposed of by the court in which pending. In the case of a nonresident driver whose license is thus received by the department, the department shall forthwith notify the proper motor vehicle administrative authority of the state in which the nonresident driver is licensed that the license of the driver is being held by the department pending disposition of the charge against the driver, except as provided for in part 7 of this chapter.