The commissioner shall take the constitutional oath of office and shall also take an oath to faithfully perform his duties as commissioner.
Tex. Water Code § 41.005
OATH
Acts 1971, 62nd Leg., p. 110, ch. 58, Sec. 1, eff
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.