Any person who willfully violates any provision of section 83.23 or 83.44 or any order of the commissioner under sections 83.20 to 83.42, this section, and 83.44 of which the person has notice, may be fined not more than $10,000 or imprisoned not more than five years or both. Each of the acts specified shall constitute a separate offense and a prosecution or conviction for any one of the offenses shall not bar prosecution or conviction for any other offense.