Tennessee Code Title 12. Public Property, Printing and Contracts § 12-3-513

(a) For a purchase of goods and services under this chapter, the central procurement office may purchase goods and services through a competitive reverse auction process that allows responses on specified goods or services electronically and adjustments to pricing during a specified time period. An award shall be made to the offeror determined to be the lowest responsible and responsive respondent at the close of the specified solicitation period.

(b) Policies and procedures concerning this procurement methodology, including the criteria, and the evaluation process shall be developed by the central procurement office and approved by the procurement commission.

(c) This section shall not apply to: