Mont. Code § 32-1-215
Special examinations may be made of a bank, trust company, investment company, building and loan association, or credit union when in the judgment of the department it is considered necessary, and the special examination shall be charged for at a rate that equals the department's actual costs for examiner wages and travel expenses. All special examination fees or charges shall be paid at the conclusion of the examination, and the moneys collected by the department shall be paid to the state treasurer for the credit of the state special revenue fund for the use of the department in its examination function. The department shall submit in writing to the examined bank a report of the examination's findings no later than 120 days after the completion of the examination.
§ 32-1-215, MCA