N.D. Cent. Code § 47-19-20

The acknowledgment of an instrument must not be taken unless the officer taking it knows or has satisfactory evidence on the oath or affirmation of a credible witness that the person making the acknowledgment is the individual who is described in and who executed the instrument, or if executed by a corporation or limited liability company, that the officer or manager making such acknowledgment is authorized to make it as provided in section 47-10-05.1.