(1) A party to the appeal or the person to whom the subpoena, or subpoena duces tecum, is directed may make a motion to quash. The motion must be made promptly and in any event at least five days before the time specified in the subpoena for compliance therewith.

(2) The hearing officer may:

(a) Quash or modify the subpoena if it is unreasonable or requires evidence not relevant to any matter in issue; or

(b) Condition denial of the motion upon just and reasonable conditions.