N.D. Cent. Code § 10-31-07.2
A professional organization in the form of a limited liability company may issue membership interests only to persons who are licensed to render the same specific professional services as those for which the company was organized. A member may voluntarily transfer membership interests in a professional limited liability company only to a person owning or eligible to own a membership interest. The reflection of any membership interests in the required records of the professional limited liability company in violation of this section is void. The voluntary transfer of any membership interests in violation of this section is void. No membership interest may be reflected in the required records of the professional limited liability company until there is presented to and filed with the limited liability company a certificate from the regulating board stating that the person to whom the transfer is to be made or the membership interest issued is licensed to render the same specific professional services as those for which the limited liability company was organized.
N.D.C.C. § 10-31-07.2