Sec. 301.023.  ADMINISTERING OATHS.  (a)  The following individuals may administer oaths to testifying witnesses:
(1)  the president of the senate;
(2)  the speaker of the house;
(3)  the chairman or acting chairman of a standing or special committee;  and
(4)  the chairman or acting chairman of a joint committee.
(b)  If circumstances require, a member of either house may administer an oath to a witness testifying on a matter pending in the member's house or in a committee of that house.
Acts 1985, 69th Leg., ch. 479, Sec. 1, eff. Sept. 1, 1985.