Mont. Code Ann. § 33-28-206

The commissioner may adopt rules necessary to implement the provisions of this chapter. The rules may include but are not limited to rules relating to forms, payment of fees, authorization, capital and surplus, formation of companies, reports, examinations, investigations, redomestications, captive risk retention groups, risk-based capital and holding company systems, letters of credit, risks managed by pure captive insurance companies, standards to ensure that parent or affiliated companies are able to exercise control of the risk management function of any controlled unaffiliated entities to be insured by the pure captive insurance companies, the use of deductible reimbursement with workers' compensation, and suspension and revocation of licenses.