(1) At the same time as the issuance of a show cause order pursuant to 82-4-251(3), MCA, the department shall:

(a) if practicable, publish notice of the order, including a brief statement of the procedure for intervention in the proceeding, in a newspaper of general circulation in the area of operations; and

(b) post notice at the departmental office closest to the operations.

(2) If the permittee files an answer to the show cause order and requests a hearing, a public hearing must be held. The department shall give 30 days written notice of the date, time, and place to the permittee and any intervenors and, if practicable, publish notice in a newspaper of general circulation in the area of the operations. The department shall also post the notice in the departmental office closest to those operations. The department shall issue a decision within 60 days of hearing.