Tennessee Code Title 12. Public Property, Printing and Contracts § 12-3-1204

(a) As used in this section, “municipality,” “county,” and “metropolitan government” apply only to municipalities, counties, and metropolitan governments with a population greater than one hundred fifty thousand (150,000), according to the 1990 federal census or any subsequent federal census.

(b) In any municipality, county, or metropolitan government, notwithstanding any charter provision, private act, or other provision of law, a purchase, lease, or lease-purchase must be preceded by competitive solicitation only if the purchase, lease, or lease-purchase exceeds ten thousand dollars ($10,000).

(c) When the charter of a metropolitan government requires that purchases be made on the basis of competitive bidding, notwithstanding subsection (b), “competitive soliciting” for the metropolitan government means:

(d) Any municipality, county, or metropolitan government may retain present competitive soliciting requirements and may retain the right to establish, in accordance with charter amendment or private act, whichever is applicable, different dollar amount thresholds and different requirements for competitive bids and competitive proposals from those established in this section.

(e) Nothing in this section shall be deemed to expressly or impliedly repeal § 7-52-117, or any part of that section.

(f) This section shall not supersede or be construed to supersede § 12-3-1201.