A person who violates any provision of sections 19.50 to 19.65 is guilty of a misdemeanor. A person whose agents or representatives violate any provision of sections 19.50 to 19.65 is also guilty of a misdemeanor. A person who violates sections 19.50 to 19.65 is subject to an administrative penalty under sections 17.982, subdivision 2, to 17.984.