Each insurer applying for authority to engage in the insurance business in this state shall appoint the director, and his successors in office, as its attorney to receive service of legal process issued against it in South Dakota. The appointment shall be made on a form designated and furnished by the director. The appointment shall be irrevocable, shall bind the insurer and any successor in interest to the assets or liabilities of the insurer, and shall remain in effect as long as there is in force in South Dakota any contract made by the insurer or obligations arising therefrom.
SDCL 58-6-39