District of Columbia Code Division II. Judiciary and Judicial Procedure § 16-5610. Party participation.

(1) Be represented in an arbitration by an attorney;

(2) Be accompanied by an individual who will not be called as a witness or act as an advocate; and

(3) Participate in the arbitration to the full extent permitted under the law and procedural rules of the District other than this chapter governing a party's participation in contractual arbitration.