Tennessee Code Title 55. Motor and Other Vehicles § 55-50-335

(a) All driver licenses shall bear a visible full face photograph of the applicant furnished by the department or bear an endorsement that no photograph is required. No license issued shall be valid unless it bears this photograph or endorsement.

(c) In the development and installation of a system for the issuance of licenses, the department shall establish regulations and standards for the evaluation of various processes and equipment available for this purpose, and shall provide an opportunity for each reliable and financially responsible company with such a process to demonstrate its process and equipment for the purpose of determining the best available process and equipment at the most economical price. Any contracts for the purchase of material and equipment required to implement this program shall be entered into in accordance with the competitive bid procedures provided for in title 12, chapter 3. The commissioner may solicit outside consulting services in order to accomplish on a competitive basis the design and application of the system and implementation thereof. The commissioner shall require a performance bond sufficient to guarantee the performance of any such lease or franchise contracts that may be entered into, the bond to be sufficient to protect the interests of the state and of the individual license purchasers.

(d) In addition to its other duties under the law, the procurement commission shall advise the commissioner on appropriate standards for the evaluation of various processes and equipment, shall observe any demonstrations of processes and equipment, and shall advise the commissioner on the most economic and feasible method available.