Sec. 406.053.  OATH.  Before performing the duties of office, a commissioner of deeds shall take and subscribe an oath to well and faithfully perform the duties of office under the laws of this state.  The oath shall be:
(1)  taken before the clerk of a court of record in the city, county, or country in which the commissioner resides;
(2)  certified to by the clerk under the clerk's hand and seal of office;  and
(3)  filed in the office of the secretary of state of this state.
Acts 1987, 70th Leg., ch. 147, Sec. 1, eff. Sept. 1, 1987.