Person required to testify; exemption from prosecution.

No person shall, upon any investigation before a grand jury or state attorney for an alleged violation of any of the provisions of this chapter, or before any court upon the trial of any person, association of persons, or corporation, charged with the violation of any of the provisions of this chapter herein made a criminal offense, refuse to testify or give evidence, or produce any document, record, book, papers, or any other personal property of any kind or description, upon the ground that by so doing he or she may thereby convict himself or herself of crime, or give evidence against himself or herself, or expose himself or herself to criminal prosecution, penalty or forfeiture; and any person who shall so testify or give such evidence, or produce any such document, record, book, paper, or any other personal property of any kind or description, shall not be prosecuted or held liable for any penalty or forfeiture for or on account of any matter or thing concerning which he or she may so testify, or give evidence, or produce any such document, record, book, paper or any other personal property of any kind or description, and the same shall not be given in evidence or used against such person in anywise or in any manner in any prosecution or other proceeding in any of the courts of this state, or otherwise; provided, that nothing in this section contained shall protect any person against prosecution for perjury or false swearing.