(a) The director may refer any evidence that is available concerning any violation of this act or any rule or order made under this act to the attorney general who may, with or without this reference, institute appropriate criminal proceedings under the act.
(b) A person who willfully violates any provision of this act, or any rule under this act, or any order of which the person has notice, commits a felony and upon conviction is subject to the punishment provided by law.
(c) A prosecution for a violation under this act must be commenced within four (4) years after the commission of the violation. Nothing in this act limits the power of the state to punish a person for conduct that constitutes a crime under another statute.