N.D. Cent. Code § 32-29.4-09 (2025)
1. A party may: a. Be represented in an arbitration by an attorney; b. Be accompanied by an individual who will not be called as a witness or act as an advocate; and c. Participate in the arbitration to the full extent permitted under the law and procedural rules of this state other than this chapter governing a party's participation in contractual arbitration.
2. A party or representative of a party may not communicate ex parte with the arbitrator except to the extent allowed in a family law proceeding for communication with a judge.