(1) One or more of the following steps, as applicable, shall be taken to assist public participation in decision making or items of significant public interest as enumerated in ARM 2.55.203:

(a) a proceeding or hearing shall be held in compliance with the provisions of the Montana Administrative Procedure Act, Title 2, chapter 4, MCA;

(b) notice shall be mailed to those persons on the list of interested persons in ARM 2.55.204 above;

(c) a news release, legal advertisement, or other method of publication shall be given to news media which shall include the proposed action, and the date, time and place of the meeting where oral data, views or arguments may be submitted, or the name and address where written data, views or arguments may be submitted concerning the proposed action.