Mont. Code Ann. § 33-1-413

33-1-413 . Examination expense -- lien. (1) Upon presentation of a detailed account of charges and expenses by the commissioner or pursuant to the commissioner's written authorization, each person examined, other than examinations pursuant to 33-1-402 , shall pay the actual travel expenses, a reasonable living expense allowance, and a per diem as compensation of examiners as necessarily incurred on account of the examination, all at reasonable rates as established or adopted by the commissioner. An account may be presented periodically during the course of the examination or at the termination of the examination as the commissioner considers proper. A person may not pay and an examiner may not accept any additional emolument on account of an examination.

(2) The commissioner shall pay to the state treasurer to the credit of the state special revenue fund all money received pursuant to subsection (1).

(3) If a person fails to pay the charges and expenses, as referred to in subsection (1), the charges and expenses must be paid out of the funds of the commissioner in the same manner as other disbursements of the funds. The amount paid is a first lien upon all of the assets and property in this state of the person and may be recovered by suit by the attorney general on behalf of the state of Montana and restored to the appropriate fund.