N.D. Cent. Code § 26.1-26-22 (2025)
The commissioner shall serve process upon any licensee in any action or proceeding instituted by the commissioner under this chapter by electronic mail to the electronic mail address maintained as required under section 26.1-26-33.1 or United States mail to the licensee
at the licensee's last-known address of record or principal place of business. Service of process under this section is complete upon electronic mailing or United States mailing.