Each commissioner, before entering upon the discharge of such commissioner's duties, shall take an oath before the county clerk, in term or vacation, to well and truly discharge such commissioner's duties as prescribed by law.
Code 1858, § 1599 (deriv. Acts 1826 Private, ch. 56, § 4; 1831, ch. 89, § 3); Shan., § 2683; Code 1932, § 4800; impl. am. Acts 1978, ch. 934, §§ 22, 36; T.C.A. (orig. ed.), §§ 14-902, 14-20-202.