33-1-601. Commissioner -- attorney for service of process. (1) Each insurer applying for authority to transact insurance in this state shall appoint the commissioner as its attorney to receive service of legal process issued against it in Montana. Service of legal process under this section means a summons and a complaint. The appointment must be made on a form designated and furnished by the commissioner. The appointment is irrevocable, binds the insurer and any successor in interest or to the assets or liabilities of the insurer, and remains in effect as long as there is in force in Montana any contract made by the insurer or obligations arising from a contract.
(2) Each insurer at the time of application for a certificate of authority shall file with the commissioner the name and address of the person to whom process against the insurer served upon the commissioner is to be forwarded. The insurer may change the designation or address by a new filing, which must be filed on a form designated and furnished by the commissioner.