(1) Each company applying for authority to transact business in this state, whether domestic or foreign, shall file with the office its appointment of the Chief Financial Officer and her or his successors in office, on a form as furnished by the office, as its attorney to receive service of all legal process issued against it in any civil action or proceeding in this state and agreeing that process so served shall be valid and binding upon the company. The appointment shall be irrevocable, shall bind the company and any successor in interest as to the assets or liabilities of the company, and shall remain in effect as long as there is outstanding in this state any obligation or liability of the company resulting from its service agreement transactions therein.
(2) At the time of such appointment of the Chief Financial Officer as its process agent the company shall file with the department a designation of the name and address of the person to whom process against it served upon the Chief Financial Officer is to be forwarded. The company may change the designation at any time by a new filing.