No witness in any proceeding before the commission shall be excused from giving testimony or producing documentary evidence upon the ground that such testimony or documentary evidence could tend to incriminate the witness; but, if the witness claims immunity hereunder, no such testimony or documentary evidence shall be used against him or her in any criminal prosecution; nor shall the witness be liable to criminal prosecution for any matter disclosed thereby.
Source. 2003, 151:8, eff. Jan. 1, 2004.