Before any violation of this Article is reported by the Commissioner to any North Carolina district attorney for institution of a criminal proceeding, the person against whom such proceeding is contemplated shall be given reasonable notice of the alleged violation and opportunity to present his views orally or in writing with regard to such contemplated proceeding. Nothing in this Article shall be construed as requiring the Commissioner or his authorized representative to report for criminal prosecution of this Article whenever he believes that the public interest will be adequately served and compliance with the Article obtained by a suitable written? notice or warning. (1971, c. 677, s. 13; 1973, c. 47, s. 2.)