Ex-parte consultations.

No party or representative of a party or any other person shall communicate off the record about the case with any agency member who participates in making the decision in any adjudicatory proceeding unless a copy of the communication is sent to all parties to the proceeding. No agency member or representative of the agency shall communicate off the record about the adjudicatory proceedings with any party or representative of a party or any other person unless a copy of the communication is sent to all parties in the proceeding.