Tenn. Code Ann. § 6-54-116: Joint building inspectors in certain municipalities

(a) Two (2) or more municipalities, neither of which exceeds twenty-five thousand (25,000) in population, may engage jointly one (1) building inspector, and make an agreement specifying how this inspector shall be paid for the services and how the inspector's time or services shall be allocated to the respective municipalities. Municipalities shall have this authority regardless of any other law or charter provision to the contrary.

(b) "Municipalities" means incorporated cities and towns.