It is the duty of the attorney general or the various district attorneys of this state to whom the director reports any violation of the New Mexico Dairy Product Act to 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 the New Mexico Dairy Product Act is reported to any such district attorney for the institution of a criminal proceeding, the person against whom such proceeding is contemplated shall be given appropriate notice and an opportunity to present his views before the director, either orally or in writing, in person or by attorney with regard to the contemplated proceeding.