K.S.A. 65-1454: Witnesses; incriminating testimony compelled; exempt from prosecution.

No person shall be excused from testifying in any proceeding before the board under this act, or in any civil proceeding under this act before a court of competent jurisdiction, on the ground that his testimony may incriminate him, but any person shall not be prosecuted on account of any transaction or matter or thing concerning which he shall be compelled to testify, nor shall such testimony be used against him in any prosecution for any crime under the laws of this state.