(a) A mine operator shall give the director a copy of the United States Department of Labor’s Mine Safety and Health Administration (MSHA)-approved plan and any addenda as soon as the operator receives the approval from MSHA. The MSHA-approved plan shall serve as the state-approved plan: Provided, That the MSHA-approved plan shall comply with all provisions of state mining law as set forth in this code or state rules.

(b) In the event of an unforeseen situation requiring immediate action on a plan revision, the operator shall submit the proposed revision to the director and the miners” representative, if any, employed by the operator at the mine when the proposed revision is submitted to MSHA. The director shall work with the operator to review and comment on the proposed plan revision to MSHA as quickly as possible.

(c) Upon approval by MSHA, the plan is enforceable by the director. The approved plan and all revisions and addenda thereto shall be posted on the mine bulletin board and made available for inspection by the miners at that mine for the period of time that they are in effect.