201—7.8 (904) Notice. The department shall acknowledge a petition upon receipt. The department shall ensure that all persons to whom notice is required by any provision of law, including the petitioner, receive notice, within 30 days of the receipt of the petition, that the petition is pending and a concise summary of its contents. In addition, the department may give notice to other persons. To accomplish this notice provision, the department may require the petitioner to serve the notice on all persons to whom notice is required by any provision of law and provide a written statement to the department attesting that notice has been provided.