Tenn. Code Ann. § 68-221-1318: Policy of competitive bidding - Purchasing

(a) The national policy in favor of competition shall ensure a policy of competitive bidding for all authorities.

(b) An authority shall be subject to the applicable purchasing laws of the creating governmental entity, or if two (2) or more creating governmental entities form a water and wastewater treatment authority, then an authority shall be subject to the County Purchasing Law of 1983, compiled in title 5, chapter 14, part 2.