When a consent to service of any process, notice, order, or demand upon the commissioner is provided under this title, the service is to be in duplicate. The commissioner immediately shall forward one copy by registered mail to the person against whom the process, notice, order, or demand is directed at that person's last reasonably ascertainable address and shall file the other copy in the office of the commissioner. The commissioner shall keep a record of the date and hour of service.
N.D.C.C. § 26.1-01-04