a civil penalty of not to exceed $10,000 may be imposed on any person who violates, or attempts to violate, any license, order, or regulation issued under this chapter; and

whoever willfully violates, or willfully attempts to violate, any license, order, or regulation issued under this chapter shall, upon conviction, be fined not more than $50,000, or, if a natural person, may be imprisoned for not more than 10 years, or both; and any officer, director, or agent of any corporation who willfully participates in such violation may be punished by a like fine, imprisonment, or both.