191—54.52 (523C) Investigations and subpoenas.
	 54.52(1) The commissioner may:
	  a.   	 Make private and public investigations within or outside of this state as the commissioner deems necessary to determine whether a person has violated any provision of the Act or any rule or order under it or to aid in the enforcement of the Act;
	  b.   	 Require or permit any person to file a statement under oath or otherwise as the commissioner determines as to all of the facts and circumstances concerning the matter to be investigated; and
	  c.   	 Publish information concerning any violation of the Act or any rule or order under it.
	 54.52(2) For the purpose of any investigation or proceeding under the Act, the commissioner, or any officer designated by the commissioner may administer oaths and affirmations, subpoena witnesses, compel their attendance, take evidence and require the production of any books, papers, correspondence, memoranda, agreements, or other documents or records which the commissioner deems relevant or material to the inquiry.
	 54.52(3) No person is excused from attending and testifying or from producing any document or record before the commissioner or in obedience to a subpoena of the commissioner on the grounds that the testimony or evidence, documentary or otherwise, required of that person may tend to incriminate or subject that person to a penalty or forfeiture; but no individual may be prosecuted or subject to any penalty or forfeiture on account of any transaction, matter, or thing concerning which that person is compelled after claiming privilege against self-incrimination to testify or produce evidence, documentary or otherwise, except that the individual testifying is not exempt from prosecution for perjury or contempt committed in testifying.