Each county attorney, or prosecuting attorney to whom the department of health reports any violation of this part, shall cause appropriate proceedings to be instituted in the proper courts without delay and to be prosecuted in the manner required by law. Before any violation of this part is reported to any such attorney for the institution of a criminal proceeding, the person against whom the proceeding is contemplated shall be given appropriate notice and an opportunity to present the person’s views before the department either orally or in writing, in person or by attorney, with regard to such contemplated proceeding.