A party to an arbitration proceeding may be represented by a lawyer admitted to practice in this state or any other state. A corporation, business trust, partnership, limited liability company, association, joint venture or other legal or commercial entity may be represented by a lawyer admitted to practice in this state or any other state, by an officer of the entity, or by an employee or other agent authorized by the entity to represent the entity in the proceeding.
ORS 36.670
See note under 36.600.