Where an old county is reduced for the purpose of forming a new one, the seat of justice in the old county shall not be removed without the concurrence of two thirds (2/3) of both branches of the general assembly, nor shall the seat of justice of any county be removed without the concurrence of two thirds (2/3) of the qualified voters of the county.
Const. 1870, art. 10, § 4; Shan., § 112; Code 1932, § 131; T.C.A. (orig. ed.), § 5-401.