(1) In any proceeding before an agency not subject to ORS 183.440 in which a party is entitled to have subpoenas issued for the appearance of witnesses on behalf of the party, a subpoena may be issued by an attorney of record of the party, subscribed by the signature of the attorney. A subpoena issued by an attorney of record may be enforced in the same manner as a subpoena issued by the agency.
(2) In any proceeding before an agency not subject to ORS 183.440 in which a party is entitled to have subpoenas issued by the agency to compel the appearance of witnesses on behalf of the party, the agency may issue subpoenas on its own motion.